Find the derivative of `sqrt(sin^4x^2+cos^4x^2)` at ` x = 0` and also at `x = sqrt(pi)/2`

Find the derivative of (x^2cos(pi/4))/(sinx)

Find the derivative of cos(sinx^2) at x = sqrt((pi/2))

Find the derivatives of the following functions at the indicated points. sqrt(sin^4x^2 +cos^4x^2) at x = (sqrt(pi/2))

The derivation of sqrt((1-cos2x)/(1+cos2x)) is:

Find the derivatives of the following : (x^2 cos pi/4)/(sinx ) .

Find the domain? f(x)=sqrt((x^2+4x)C_(2x^2+3))

Solve the equation sin x + cos x -2sqrt2 sin x cos x =0

Evaluate: int(1)/(sin^4x+Sin^2x cos^2 x + cos^4x)dx

Find the maximum and minimum values. f(x) = sin^4 x + cos^4x, 0 le x le pi/2