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

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

Prove that: (a) (sin 2 theta)/(1+cos 2 theta)=tan theta (b) (1+sin 2 theta+2theta)/(1+sin2 theta-cos 2 theta)=cot theta

Prove that: (sin2 theta)/(1+cos2 theta)=tan theta

(1+sin 2theta+cos 2theta)/(1+sin2 theta-cos 2 theta) =

(1+sin2 theta-cos2 theta)/(1+sin2 theta+cos2 theta)=tan theta

(sintheta+sin2theta)/(1+costheta+cos2theta) =

(sintheta+sin2theta)/(1+costheta+cos2theta)=?

costheta-cos2theta=sin3theta

((sin theta+cos theta)^(2)-1)/(sin theta*cos theta)

Prove that : (1+sin2 theta-cos 2theta)/(sin theta+cos theta)=2sin theta