The value of `int(1+sin2theta)/(sintheta-costheta)d""theta` is equal to

int(cos2theta)/((sintheta+costheta)^(2))d""theta is equal to

If theta_igt0" for "1lethetalenandtheta_1+theta_2+theta_3+...+theta_n=pi then the greatest value of sum sintheta_1+sintheta_2+sintheta_3+…+sintheta_n is equal to

If theta is an acute angle such that tan^2theta=8/7 , then the value of ((1+sintheta)(1-sintheta))/((1+costheta)(1-costheta) is (a) 7/8 (b) 8/7 (c) 7/4 (d) (64)/(49)

Evaluate: int(1+costheta)/(theta+sintheta)d theta

The value of (2(sin2theta+2cos^2theta-1))/(costheta-sintheta-cos3theta+sin3theta) is a.\ costheta b. sectheta c. cosectheta d. sintheta

Find the values of theta , for which cos3theta + sin3theta + (2sin2theta-3)(sintheta-costheta) is always positive.

Sum to terms of the series sintheta sin2theta + sin2thetasin3theta + sin3theta sin4theta +..... is equal to

Prove: (1+costheta-sin^2theta)/(sintheta(1+costheta))= cottheta

Prove that : (sintheta +sin2theta)/(1+costheta+cos2theta)=tantheta

The value of (cos3theta)/(2cos2theta-1) is equal to (a) costheta (b) sintheta (c) tantheta (d) none of these