trigo enq

1 )find general solution of 1+ sin3x + cos3x= 3/2sin2x
2)Solve √3cosx - 3sinx= 4sin2xcos3x
3) Solve 3√3sin3x + cos3x + 3√3sinx + cos = 1

1 Answers

1357
Manish Shankar ·

first one is easy..

13+sin3x+cos3x-3*1*sinx*cosx=0

implies 1+sinx+cosx=0

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