" 5."(1)/(1-cos2x)

Evaluate int (1)/(1-5cos^2x) dx

(i) int(1)/((1+cos2x))dx , (ii) int (1)/((1-cos2x)) dx

The value of lim_(x to 0) (15^(x) - 5^(x) - 3^(x) + 1)/(1 - cos 2x) is

Find the number of solution of the equation 1+e^(cot^(2)x)=sqrt(2|sin x|-1)+(1-cos2x)/(1+sin^(4)x) for x in(0,5 pi)

Integrate the following functions with respect to x. tan^(-1)sqrt((1-cos2x)/(1+cos2x))

Evaluate the following integrals: (i) int((1-cos2x)/(1+cos2x))dx (ii) int((1+cos2x)/(1-cos2x))dx

int(1+cos^(2)x)/(1-cos2x)dx=

int(1+cos^(2)x)/(1-cos2x)*dx