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OpenStudy (crashonce):
4cosx+3sinx=-1, solve for x
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OpenStudy (shamim):
4cos x=-1-3sin x
OpenStudy (shamim):
Right?
OpenStudy (shamim):
After squaring both sides 16*cos^2x=1+6sin x+9sin^2x
OpenStudy (shamim):
We know Cos^2x=1-sin^2x
OpenStudy (shamim):
Use it
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OpenStudy (shamim):
Response plz!!!
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