Prove the following identity, where the angles involved are acute angles for which the expressions are defined.
(vii) `(sintheta-2sin^3theta)/(2cos^3theta-costheta)=tantheta`

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. : (sintheta-2sin^3theta)/(2cos^3theta-costheta) =tantheta .

Prove the following identities,where the angles involved are acute angles for which the expressions are defined. (vi) (sintheta-2sin^(3)theta)/(2cos^(3)theta-costheta)=tantheta

Prove the following identities,where the angles involves are acute angles for which the expressions are defined:(vii) (Sintheta-2Sin^3theta)/(2Cos^3theta-Costheta)=tantheta

Prove the following identities. where the angles involved are acute angles for which the expressions are defined. (sintheta-2sin^(3)theta)/(2cos^(3)theta-costheta)=tantheta

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (sin theta - 2 sin^3 theta)/(2 cos^3 theta - cos theta)= tan theta

Prove the following identity, where the angles involved are acute angles for which the expressions are defined. (i) (cosectheta-cottheta)^2=(1-costheta)/(1+costheta)

Prove the following identity,where the angles involved are acute angles for which the expressions are defined.(i) (csc theta-cot theta)^(2)=(1-cos theta)/(1+cos theta)

Prove that the following identities, where the angles involved are acute angles for which the expressions are defined : (sin theta - 2 sin^(3) theta)/(2 cos^(3) theta - cos theta) = tan theta

Prove the following identities. where the angles involved are acute angles for which the expressions are defined. (cosectheta-cottheta)^(2)=(1-costheta)/(1+costheta)