Question

4cos^{2}x +2sinx cosx =1$4cos^{2}x +2sinx cosx =1$

Answer 1

Answer:

Solve the equation (sqrt(3)),2sinx-cosx=cos^2x . ... 3sin2x=4(cos2x+cosx)2 3(1-cos2x)=4(cos4 x+2cos3x+cos2x) 4cos4x+8cos3x+7cos2x-3=  ...

Step-by-step explanation:

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