`cos^2x-2cosx=4sinx-sin2x`

The solution of the equation cos^(2)x-2cosx=4sinx-sin2x,0lexlepi , is

The solution of the equation cos^(2)x-2cosx=4sinx-sin2x,0lexlepi , is

Evaluate: (i) int(sinx+2cosx)/(2sinx+cosx)\ dx (ii) int(cos4x-cos2x)/(sin4x-sin2x)\ dx

If f(x) = |{:(cos^(2)x, cosx.sinx, -sin x),(cos x sinx ,sin^(2)x ,cos x),(sinx , -cos x , 0):}| then for all x

If f(x) = |{:(cos^(2)x, cosx.sinx, -sin x),(cos x sinx ,sin^(2)x ,cos x),(sinx , -cos x , 0):}| then for all x

Solve sin2x-cos2x=sinx-cosx

The equation 8cosx cos2x cos4x = (sin6x)/(sinx) has a solution given by :

If f(x) = \begin{vmatrix} cos2x & cos2x & sin2x \\ -cosx & cosx & -sinx\\ sinx & sinx & cosx \end{vmatrix} then