{
"query": {
"display": "$$-2\\sin\\left(t\\right)=-\\sqrt{2}$$",
"symbolab_question": "EQUATION#-2\\sin(t)=-\\sqrt{2}"
},
"solution": {
"level": "PERFORMED",
"subject": "Trigonometry",
"topic": "Trig Equations",
"subTopic": "Trig Equations",
"default": "t=\\frac{π}{4}+2πn,t=\\frac{3π}{4}+2πn",
"degrees": "t=45^{\\circ }+360^{\\circ }n,t=135^{\\circ }+360^{\\circ }n",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "$$-2\\sin\\left(t\\right)=-\\sqrt{2}{\\quad:\\quad}t=\\frac{π}{4}+2πn,\\:t=\\frac{3π}{4}+2πn$$",
"input": "-2\\sin\\left(t\\right)=-\\sqrt{2}",
"steps": [
{
"type": "interim",
"title": "Divide both sides by $$-2$$",
"input": "-2\\sin\\left(t\\right)=-\\sqrt{2}",
"result": "\\sin\\left(t\\right)=\\frac{\\sqrt{2}}{2}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$-2$$",
"result": "\\frac{-2\\sin\\left(t\\right)}{-2}=\\frac{-\\sqrt{2}}{-2}"
},
{
"type": "step",
"primary": "Simplify",
"result": "\\sin\\left(t\\right)=\\frac{\\sqrt{2}}{2}"
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "General solutions for $$\\sin\\left(t\\right)=\\frac{\\sqrt{2}}{2}$$",
"result": "t=\\frac{π}{4}+2πn,\\:t=\\frac{3π}{4}+2πn",
"steps": [
{
"type": "step",
"primary": "$$\\sin\\left(x\\right)$$ periodicity table with $$2πn$$ cycle:<br/>$$\\begin{array}{|c|c|c|c|}\\hline x&\\sin(x)&x&\\sin(x)\\\\\\hline 0&0&π&0\\\\\\hline \\frac{π}{6}&\\frac{1}{2}&\\frac{7π}{6}&-\\frac{1}{2}\\\\\\hline \\frac{π}{4}&\\frac{\\sqrt{2}}{2}&\\frac{5π}{4}&-\\frac{\\sqrt{2}}{2}\\\\\\hline \\frac{π}{3}&\\frac{\\sqrt{3}}{2}&\\frac{4π}{3}&-\\frac{\\sqrt{3}}{2}\\\\\\hline \\frac{π}{2}&1&\\frac{3π}{2}&-1\\\\\\hline \\frac{2π}{3}&\\frac{\\sqrt{3}}{2}&\\frac{5π}{3}&-\\frac{\\sqrt{3}}{2}\\\\\\hline \\frac{3π}{4}&\\frac{\\sqrt{2}}{2}&\\frac{7π}{4}&-\\frac{\\sqrt{2}}{2}\\\\\\hline \\frac{5π}{6}&\\frac{1}{2}&\\frac{11π}{6}&-\\frac{1}{2}\\\\\\hline \\end{array}$$"
},
{
"type": "step",
"result": "t=\\frac{π}{4}+2πn,\\:t=\\frac{3π}{4}+2πn"
}
],
"meta": {
"interimType": "Trig General Solutions sin 1Eq"
}
}
],
"meta": {
"solvingClass": "Trig Equations",
"practiceLink": "/practice/trigonometry-practice#area=main&subtopic=Trig%20Equations",
"practiceTopic": "Trig Equations"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "t",
"plotRequest": "-2\\sin(t)+\\sqrt{2}"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
Solution
+1
Degrees
Solution steps
Divide both sides by
Divide both sides by
Simplify
General solutions for
periodicity table with cycle:
Graph
Popular Examples
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Frequently Asked Questions (FAQ)
What is the general solution for -2sin(t)=-sqrt(2) ?
The general solution for -2sin(t)=-sqrt(2) is t= pi/4+2pin,t=(3pi)/4+2pin