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OpenStudy (anonymous):
Solve the equation: sin2x + 3cos2x = 0 for 0 < x < 360
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OpenStudy (anonymous):
Any help would be appreciated.
OpenStudy (anonymous):
sin2x+3cos2x=0 sin2x=-3cos2x sin2x/cos2x = -3 tan2x=-3 now, let y=2x tany = -3 , 0<y<720
OpenStudy (anonymous):
now, solve for y and find x as x=y/2 DOES IT HELP?
OpenStudy (anonymous):
Yes thank you very much for your help :)
OpenStudy (anonymous):
no problem
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