Prove that :
`(sin^(2) theta)/(cos theta ) + cos theta = sec theta`

prove that: (i) (sin^2 theta)/ (cos theta) +cos theta =sec theta

sin theta/(1+cos theta)=

Prove that : (1-sin theta cos theta)/ (cos theta (sec theta - cosec theta)) times (sin^2 theta - cos^2 theta)/(sin^3 theta + cos^3 theta) = sin theta

Prove that sin^4 theta - cos^4 theta = 1 - 2cos^2 theta

Prove that (i) (sin theta)/((1- cos theta))=("cosec" theta + cot theta) (ii) (1)/((sec theta - tan theta))=(sec theta + tan theta)

prove that (tan theta) / (sec theta -1) = (tan theta + sec theta + 1) / (tan theta + sec theta - 1)

Prove that (sin theta - cos theta +1)/(sin theta + cos theta -1) = (1)/((sec theta - tan theta)).

Prove that: (x) (sin theta + tan theta)/(cos theta) = tan theta ( 1 + sec theta)

Prove that: (cos theta)/(1 + sin theta) = sec theta - tan theta

Prove that : sec^(2)theta - cos^(2) theta = sin^(2)theta(sec^(2)theta + 1)