`(sin^2theta+cos^2theta)/(sinthetacostheta)`

If sintheta=(12)/(13) , find the value of (sin^2theta-cos^2theta)/(2sinthetacostheta)xx1/(tan^2theta)

If costheta=5/(13) , find the value of (sin^2theta-cos^2theta)/(2sinthetacostheta)xx1/(tan^2theta)

Prove the following identities: (sin^3theta+cos^3theta)/(sintheta+costheta)+sinthetacostheta=1

(1+sin2theta+cos2theta)/(1+sin2theta-cos2theta)=?

Prove : (1+sin2theta-cos2theta)/(1+sin2theta+cos2theta)=tantheta

Prove that: a) (sin2theta)/(1+cos2theta) = tantheta b) (1+sin2theta+cos2theta)/(1+sin2theta-cos2theta)=cottheta

Prove that: (1+sin2theta+cos2theta)/(1+sin2theta-cos2theta)=cot theta

int_0^(pi/4) (2sinthetacostheta)/(sin^4theta+cos^4theta)d theta

If int(sintheta-costheta)/((sintheta+costheta)sqrt(sinthetacostheta+sin^(2)thetacos^(2)theta))d theta = "cosec"^(_1)(f(theta))+C , then

Prove the following identities: sin^8theta-cos^8theta=(sin^2theta-cos^2theta)(1-2sin^2thetacos^2theta)