`sec^2theta\ d theta+tantheta(1-rtantheta)dr=0`

sec^(2)theta backslash d theta+tan theta(1-r tan theta)dr=0

frac(sintheta [(1-tantheta) tan theta+sec^2 theta])((1-sintheta) tantheta(1+tan theta) (sec theta+tantheta)) =?

sec^2theta/tantheta=?

(sin theta[(1-tantheta)tantheta+sec^(2)theta])/((1-sin theta)tantheta(1+tantheta)(sec theta+tantheta)) is equal to :

Prove the following identities: (tantheta-cottheta)/(sinthetacostheta)=sec^2theta-cos e c^2theta=tan^2theta-cot^2theta

Prove the following: tan2theta+sec2theta=(frac(1+tantheta)(1-tantheta))

Prove that (1+sec2theta)(1+sec4theta)(1+sec8theta)=(tan8theta)/(tantheta)

int(sectheta)/(sec theta+tantheta)d theta=

For any real theta (sectheta+tantheta-1)(sec theta-tan theta+1)=...... A) 2 B) 2 sec theta C) 2 tan theta D)none of these

Prove the following identities: (sec theta-tan theta+1)/(sec theta+tantheta+1)=(1-sin theta)/(cos theta)