{
"query": {
"display": "$$\\frac{\\sin\\left(42^{\\circ\\:}\\right)}{22}=\\frac{\\sin\\left(B\\right)}{12}$$",
"symbolab_question": "EQUATION#\\frac{\\sin(42^{\\circ })}{22}=\\frac{\\sin(B)}{12}"
},
"solution": {
"level": "PERFORMED",
"subject": "Trigonometry",
"topic": "Trig Equations",
"subTopic": "Trig Equations",
"default": "B=0.37361…+360^{\\circ }n,B=180^{\\circ }-0.37361…+360^{\\circ }n",
"radians": "B=0.37361…+2πn,B=π-0.37361…+2πn",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "$$\\frac{\\sin\\left(42^{\\circ\\:}\\right)}{22}=\\frac{\\sin\\left(B\\right)}{12}{\\quad:\\quad}B=0.37361…+360^{\\circ\\:}n,\\:B=180^{\\circ\\:}-0.37361…+360^{\\circ\\:}n$$",
"input": "\\frac{\\sin\\left(42^{\\circ\\:}\\right)}{22}=\\frac{\\sin\\left(B\\right)}{12}",
"steps": [
{
"type": "step",
"primary": "Switch sides",
"result": "\\frac{\\sin\\left(B\\right)}{12}=\\frac{\\sin\\left(42^{\\circ\\:}\\right)}{22}"
},
{
"type": "interim",
"title": "Multiply both sides by $$12$$",
"input": "\\frac{\\sin\\left(B\\right)}{12}=\\frac{\\sin\\left(42^{\\circ\\:}\\right)}{22}",
"result": "\\sin\\left(B\\right)=\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}",
"steps": [
{
"type": "step",
"primary": "Multiply both sides by $$12$$",
"result": "\\frac{12\\sin\\left(B\\right)}{12}=\\frac{12\\sin\\left(42^{\\circ\\:}\\right)}{22}"
},
{
"type": "step",
"primary": "Simplify",
"result": "\\sin\\left(B\\right)=\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}"
}
],
"meta": {
"interimType": "Multiply Both Sides Specific 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "Apply trig inverse properties",
"input": "\\sin\\left(B\\right)=\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}",
"result": "B=\\arcsin\\left(\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}\\right)+360^{\\circ\\:}n,\\:B=180^{\\circ\\:}-\\arcsin\\left(\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}\\right)+360^{\\circ\\:}n",
"steps": [
{
"type": "step",
"primary": "General solutions for $$\\sin\\left(B\\right)=\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}$$",
"secondary": [
"$$\\sin\\left(x\\right)=a\\quad\\Rightarrow\\quad\\:x=\\arcsin\\left(a\\right)+360^{\\circ\\:}n,\\:\\quad\\:x=180^{\\circ\\:}-\\arcsin\\left(a\\right)+360^{\\circ\\:}n$$"
],
"result": "B=\\arcsin\\left(\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}\\right)+360^{\\circ\\:}n,\\:B=180^{\\circ\\:}-\\arcsin\\left(\\frac{6\\sin\\left(42^{\\circ\\:}\\right)}{11}\\right)+360^{\\circ\\:}n"
}
],
"meta": {
"interimType": "Trig Apply Inverse Props 0Eq"
}
},
{
"type": "step",
"primary": "Show solutions in decimal form",
"result": "B=0.37361…+360^{\\circ\\:}n,\\:B=180^{\\circ\\:}-0.37361…+360^{\\circ\\:}n"
}
],
"meta": {
"solvingClass": "Trig Equations",
"practiceLink": "/practice/trigonometry-practice#area=main&subtopic=Trig%20Equations",
"practiceTopic": "Trig Equations"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "B",
"plotRequest": "\\frac{\\sin(42^{\\circ })}{22}-\\frac{\\sin(B)}{12}"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
Solution
+1
Radians
Solution steps
Switch sides
Multiply both sides by
Multiply both sides by
Simplify
Apply trig inverse properties
General solutions for
Show solutions in decimal form
Graph
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Frequently Asked Questions (FAQ)
What is the general solution for (sin(42))/(22)=(sin(B))/(12) ?
The general solution for (sin(42))/(22)=(sin(B))/(12) is B=0.37361…+360n,B=180-0.37361…+360n