{
"query": {
"display": "$$3\\tan^{2}\\left(θ\\right)+\\sqrt{3}\\tan\\left(θ\\right)=0,\\:0^{\\circ\\:}\\le\\:θ\\le\\:360^{\\circ\\:}$$",
"symbolab_question": "EQUATION#3\\tan^{2}(θ)+\\sqrt{3}\\tan(θ)=0,0^{\\circ }\\le θ\\le 360^{\\circ }"
},
"solution": {
"level": "PERFORMED",
"subject": "Trigonometry",
"topic": "Trig Equations",
"subTopic": "Trig Equations",
"default": "θ=0,θ=180^{\\circ },θ=360^{\\circ },θ=150^{\\circ },θ=330^{\\circ }",
"radians": "θ=0,θ=π,θ=2π,θ=\\frac{5π}{6},θ=\\frac{11π}{6}",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "$$3\\tan^{2}\\left(θ\\right)+\\sqrt{3}\\tan\\left(θ\\right)=0,\\:0^{\\circ\\:}\\le\\:θ\\le\\:360^{\\circ\\:}{\\quad:\\quad}θ=0,\\:θ=180^{\\circ\\:},\\:θ=360^{\\circ\\:},\\:θ=150^{\\circ\\:},\\:θ=330^{\\circ\\:}$$",
"input": "3\\tan^{2}\\left(θ\\right)+\\sqrt{3}\\tan\\left(θ\\right)=0,\\:0^{\\circ\\:}\\le\\:θ\\le\\:360^{\\circ\\:}",
"steps": [
{
"type": "interim",
"title": "Solve by substitution",
"input": "3\\tan^{2}\\left(θ\\right)+\\sqrt{3}\\tan\\left(θ\\right)=0",
"result": "\\tan\\left(θ\\right)=0,\\:\\tan\\left(θ\\right)=-\\frac{\\sqrt{3}}{3}",
"steps": [
{
"type": "step",
"primary": "Let: $$\\tan\\left(θ\\right)=u$$",
"result": "3u^{2}+\\sqrt{3}u=0"
},
{
"type": "interim",
"title": "$$3u^{2}+\\sqrt{3}u=0{\\quad:\\quad}u=0,\\:u=-\\frac{\\sqrt{3}}{3}$$",
"input": "3u^{2}+\\sqrt{3}u=0",
"steps": [
{
"type": "interim",
"title": "Solve with the quadratic formula",
"input": "3u^{2}+\\sqrt{3}u=0",
"result": "{u}_{1,\\:2}=\\frac{-\\sqrt{3}\\pm\\:\\sqrt{\\left(\\sqrt{3}\\right)^{2}-4\\cdot\\:3\\cdot\\:0}}{2\\cdot\\:3}",
"steps": [
{
"type": "definition",
"title": "Quadratic Equation Formula:",
"text": "For a quadratic equation of the form $$ax^2+bx+c=0$$ the solutions are <br/>$${\\quad}x_{1,\\:2}=\\frac{-b\\pm\\sqrt{b^2-4ac}}{2a}$$"
},
{
"type": "step",
"primary": "For $${\\quad}a=3,\\:b=\\sqrt{3},\\:c=0$$",
"result": "{u}_{1,\\:2}=\\frac{-\\sqrt{3}\\pm\\:\\sqrt{\\left(\\sqrt{3}\\right)^{2}-4\\cdot\\:3\\cdot\\:0}}{2\\cdot\\:3}"
}
],
"meta": {
"interimType": "Solving The Quadratic Equation With Quadratic Formula Definition 0Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "$$\\sqrt{\\left(\\sqrt{3}\\right)^{2}-4\\cdot\\:3\\cdot\\:0}=\\sqrt{3}$$",
"input": "\\sqrt{\\left(\\sqrt{3}\\right)^{2}-4\\cdot\\:3\\cdot\\:0}",
"result": "{u}_{1,\\:2}=\\frac{-\\sqrt{3}\\pm\\:\\sqrt{3}}{2\\cdot\\:3}",
"steps": [
{
"type": "interim",
"title": "$$\\left(\\sqrt{3}\\right)^{2}=3$$",
"input": "\\left(\\sqrt{3}\\right)^{2}",
"steps": [
{
"type": "step",
"primary": "Apply radical rule: $$\\sqrt{a}=a^{\\frac{1}{2}}$$",
"result": "=\\left(3^{\\frac{1}{2}}\\right)^{2}",
"meta": {
"practiceLink": "/practice/radicals-practice",
"practiceTopic": "Radical Rules"
}
},
{
"type": "step",
"primary": "Apply exponent rule: $$\\left(a^{b}\\right)^{c}=a^{bc}$$",
"result": "=3^{\\frac{1}{2}\\cdot\\:2}",
"meta": {
"practiceLink": "/practice/exponent-practice",
"practiceTopic": "Expand FOIL"
}
},
{
"type": "interim",
"title": "$$\\frac{1}{2}\\cdot\\:2=1$$",
"input": "\\frac{1}{2}\\cdot\\:2",
"result": "=3",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{1\\cdot\\:2}{2}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$2$$",
"result": "=1"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7l3vTdf410Ywhq1vZ0kzF8e30Fwl9QKPJxyO/TFRCb5Grju+5Z51e/ZZSD3gRHwjBE9/03SOiEv+BIHutWLr6nUfz18ijmoplMAomfJM9x8W1GdKgiNs+PolKvTuWzYk/"
}
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7XEzlndel0x/QlMW8VTD5UXyRHuGw7+tM5METTDj6vVEMSTe+hEEEr2+K9b3W9JkG8SrqrDW4mFcEK+hPNqZN8jCFrm8vCvLZxZsdY4NLQVuwiNrEngO+NNvZ9sqNu+2V"
}
},
{
"type": "interim",
"title": "$$4\\cdot\\:3\\cdot\\:0=0$$",
"input": "4\\cdot\\:3\\cdot\\:0",
"steps": [
{
"type": "step",
"primary": "Apply rule $$0\\cdot\\:a=0$$",
"result": "=0"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7fVpMbrjjLKU8f2Xgsw8zZiD/swv2EbFFv+X+7iEc3n+jkVi15I8rBefLi4Iyt2wr8D4yaPBYvrqNvcxJbQLVhIRwPCuzRyHq6v39GP1IPwdXeV03GYdXLZ3ZnsTzJuK6"
}
},
{
"type": "step",
"result": "=\\sqrt{3-0}"
},
{
"type": "step",
"primary": "Subtract the numbers: $$3-0=3$$",
"result": "=\\sqrt{3}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7WXStXFVx75hYDCxA7hRbNIwH0d55OJFfLnIMtXmD8XSTD2Qjcdii8v8hpF3X9+1V3XeO2tIUPH5Q2xrCOU6NXZZAd3iF5cHdgKS1MqMfNWb/P/+v51eTuH2/F4MIu5mqsnA7ORzFfDZOOrgxNtEKIgHfEXGOANZZpLrlmtnSdAGPznlv7iyc0hl+OyWVieJPxDkNFExQYbedEcLN1zmsRg=="
}
},
{
"type": "step",
"primary": "Separate the solutions",
"result": "{u}_{1}=\\frac{-\\sqrt{3}+\\sqrt{3}}{2\\cdot\\:3},\\:{u}_{2}=\\frac{-\\sqrt{3}-\\sqrt{3}}{2\\cdot\\:3}"
},
{
"type": "interim",
"title": "$$u=\\frac{-\\sqrt{3}+\\sqrt{3}}{2\\cdot\\:3}:{\\quad}0$$",
"input": "\\frac{-\\sqrt{3}+\\sqrt{3}}{2\\cdot\\:3}",
"steps": [
{
"type": "step",
"primary": "Add similar elements: $$-\\sqrt{3}+\\sqrt{3}=0$$",
"result": "=\\frac{0}{2\\cdot\\:3}"
},
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:3=6$$",
"result": "=\\frac{0}{6}"
},
{
"type": "step",
"primary": "Apply rule $$\\frac{0}{a}=0,\\:a\\ne\\:0$$",
"result": "=0"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s70c9DTe1ubFlIcViNwxWNeevlT6hxQC+Th4ETfpdrq0rBBAGj7i8X1rw2m3/gq2FRA585Wz2Y8ioMtXlAhbC3ebgNL2ycNF0YUgQmiI0KpBZ18c0fw98ackecl02dmEBdhgC0wLaMtvqbwGZDIKE0LFWJeWbliXLz0lre0eyRVKWwiNrEngO+NNvZ9sqNu+2V"
}
},
{
"type": "interim",
"title": "$$u=\\frac{-\\sqrt{3}-\\sqrt{3}}{2\\cdot\\:3}:{\\quad}-\\frac{\\sqrt{3}}{3}$$",
"input": "\\frac{-\\sqrt{3}-\\sqrt{3}}{2\\cdot\\:3}",
"steps": [
{
"type": "step",
"primary": "Add similar elements: $$-\\sqrt{3}-\\sqrt{3}=-2\\sqrt{3}$$",
"result": "=\\frac{-2\\sqrt{3}}{2\\cdot\\:3}"
},
{
"type": "step",
"primary": "Multiply the numbers: $$2\\cdot\\:3=6$$",
"result": "=\\frac{-2\\sqrt{3}}{6}"
},
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{-a}{b}=-\\frac{a}{b}$$",
"result": "=-\\frac{2\\sqrt{3}}{6}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$2$$",
"result": "=-\\frac{\\sqrt{3}}{3}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s70c9DTe1ubFlIcViNwxWNebcdo+cYmRqNPskjj+ABxorBBAGj7i8X1rw2m3/gq2FRA585Wz2Y8ioMtXlAhbC3eQC+BZ/WO81NfjVKT124x6GsxZuKnmRU41UtrFNK/62qR9Duk6WRAyiNU9ojCvKnufQyufhhdJErYImJgcVzaj7MpkJ1YT5ZwLLz78JnRfcweIGQsuMPnBML5aepNx0nIg=="
}
},
{
"type": "step",
"primary": "The solutions to the quadratic equation are:",
"result": "u=0,\\:u=-\\frac{\\sqrt{3}}{3}"
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Equations"
}
},
{
"type": "step",
"primary": "Substitute back $$u=\\tan\\left(θ\\right)$$",
"result": "\\tan\\left(θ\\right)=0,\\:\\tan\\left(θ\\right)=-\\frac{\\sqrt{3}}{3}"
}
],
"meta": {
"interimType": "Substitution Method 0Eq"
}
},
{
"type": "interim",
"title": "$$\\tan\\left(θ\\right)=0,\\:0\\le\\:θ\\le\\:360^{\\circ\\:}{\\quad:\\quad}θ=0,\\:θ=180^{\\circ\\:},\\:θ=360^{\\circ\\:}$$",
"input": "\\tan\\left(θ\\right)=0,\\:0\\le\\:θ\\le\\:360^{\\circ\\:}",
"steps": [
{
"type": "interim",
"title": "General solutions for $$\\tan\\left(θ\\right)=0$$",
"result": "θ=0+180^{\\circ\\:}n",
"steps": [
{
"type": "step",
"primary": "$$\\tan\\left(x\\right)$$ periodicity table with $$180^{\\circ\\:}n$$ cycle:<br/>$$\\begin{array}{|c|c|}\\hline x&\\tan(x)\\\\\\hline 0&0\\\\\\hline 30^{\\circ }&\\frac{\\sqrt{3}}{3}\\\\\\hline 45^{\\circ }&1\\\\\\hline 60^{\\circ }&\\sqrt{3}\\\\\\hline 90^{\\circ }&\\pm\\infty\\\\\\hline 120^{\\circ }&-\\sqrt{3}\\\\\\hline 135^{\\circ }&-1\\\\\\hline 150^{\\circ }&-\\frac{\\sqrt{3}}{3}\\\\\\hline &\\\\\\hline \\end{array}$$"
},
{
"type": "step",
"result": "θ=0+180^{\\circ\\:}n"
}
],
"meta": {
"interimType": "Trig General Solutions tan 1Eq"
}
},
{
"type": "interim",
"title": "Solve $$θ=0+180^{\\circ\\:}n:{\\quad}θ=180^{\\circ\\:}n$$",
"input": "θ=0+180^{\\circ\\:}n",
"steps": [
{
"type": "step",
"primary": "$$0+180^{\\circ\\:}n=180^{\\circ\\:}n$$",
"result": "θ=180^{\\circ\\:}n"
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Generic Solve Title 1Eq"
}
},
{
"type": "step",
"result": "θ=180^{\\circ\\:}n"
},
{
"type": "step",
"primary": "Solutions for the range $$0\\le\\:θ\\le\\:360^{\\circ\\:}$$",
"result": "θ=0,\\:θ=180^{\\circ\\:},\\:θ=360^{\\circ\\:}"
}
],
"meta": {
"interimType": "N/A"
}
},
{
"type": "interim",
"title": "$$\\tan\\left(θ\\right)=-\\frac{\\sqrt{3}}{3},\\:0\\le\\:θ\\le\\:360^{\\circ\\:}{\\quad:\\quad}θ=150^{\\circ\\:},\\:θ=330^{\\circ\\:}$$",
"input": "\\tan\\left(θ\\right)=-\\frac{\\sqrt{3}}{3},\\:0\\le\\:θ\\le\\:360^{\\circ\\:}",
"steps": [
{
"type": "interim",
"title": "General solutions for $$\\tan\\left(θ\\right)=-\\frac{\\sqrt{3}}{3}$$",
"result": "θ=150^{\\circ\\:}+180^{\\circ\\:}n",
"steps": [
{
"type": "step",
"primary": "$$\\tan\\left(x\\right)$$ periodicity table with $$180^{\\circ\\:}n$$ cycle:<br/>$$\\begin{array}{|c|c|}\\hline x&\\tan(x)\\\\\\hline 0&0\\\\\\hline 30^{\\circ }&\\frac{\\sqrt{3}}{3}\\\\\\hline 45^{\\circ }&1\\\\\\hline 60^{\\circ }&\\sqrt{3}\\\\\\hline 90^{\\circ }&\\pm\\infty\\\\\\hline 120^{\\circ }&-\\sqrt{3}\\\\\\hline 135^{\\circ }&-1\\\\\\hline 150^{\\circ }&-\\frac{\\sqrt{3}}{3}\\\\\\hline &\\\\\\hline \\end{array}$$"
},
{
"type": "step",
"result": "θ=150^{\\circ\\:}+180^{\\circ\\:}n"
}
],
"meta": {
"interimType": "Trig General Solutions tan 1Eq"
}
},
{
"type": "step",
"primary": "Solutions for the range $$0\\le\\:θ\\le\\:360^{\\circ\\:}$$",
"result": "θ=150^{\\circ\\:},\\:θ=330^{\\circ\\:}"
}
],
"meta": {
"interimType": "N/A"
}
},
{
"type": "step",
"primary": "Combine all the solutions",
"result": "θ=0,\\:θ=180^{\\circ\\:},\\:θ=360^{\\circ\\:},\\:θ=150^{\\circ\\:},\\:θ=330^{\\circ\\:}"
}
],
"meta": {
"solvingClass": "Trig Equations",
"practiceLink": "/practice/trigonometry-practice#area=main&subtopic=Trig%20Equations",
"practiceTopic": "Trig Equations"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "θ",
"plotRequest": "3\\tan^{2}(θ)+\\sqrt{3}\\tan(θ),0^{\\circ }\\le θ\\le 360^{\\circ }"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
Solution
+1
Radians
Solution steps
Solve by substitution
Let:
Solve with the quadratic formula
Quadratic Equation Formula:
For
Apply radical rule:
Apply exponent rule:
Multiply fractions:
Cancel the common factor:
Apply rule
Subtract the numbers:
Separate the solutions
Add similar elements:
Multiply the numbers:
Apply rule
Add similar elements:
Multiply the numbers:
Apply the fraction rule:
Cancel the common factor:
The solutions to the quadratic equation are:
Substitute back
General solutions for
periodicity table with cycle:
Solve
Solutions for the range
General solutions for
periodicity table with cycle:
Solutions for the range
Combine all the solutions
Graph
Popular Examples
Frequently Asked Questions (FAQ)
What is the general solution for 3tan^2(θ)+sqrt(3)tan(θ)=0,0<= θ<= 360 ?
The general solution for 3tan^2(θ)+sqrt(3)tan(θ)=0,0<= θ<= 360 is θ=0,θ=180,θ=360,θ=150,θ=330