Solve `cot^-1 ((1-sin theta)/cos theta)`.

Solve ((1-sin theta)/(cos theta))

Solve (-sin theta)/(1-cos theta)

(sin theta-cos theta+1)/(sin theta+cos theta-1)=(1+sin theta)/(cos theta)

Prove (cos theta)/(1-sin theta)=(1+cos theta+sin theta)/(1+cos theta-sin theta)

Prove that (cos theta-sin theta+1)/(cos theta+sin theta-1)=csc theta+cot theta

Solve for theta when (cos theta)/(1-sin theta) + (cos theta)/(1+sin theta)=4

Prove that: (sin2 theta)/(1-cos2 theta)=cot theta

Prove that (i) (1- sin theta)/(1+ sin theta)=(sec theta - tan theta )^(2) (ii) ((1+cos theta))/((1- cos theta))= ("cosec" theta + cot theta)^(2)

Solve int(cos^(3)theta)/(1-sin theta)d theta