Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (vii) (sin θ – 2sin^3θ)/(2cos^3θ-cos θ) = tan θ Prove the following identities where the angles involved are acute angles for which the expressions are defined. (vii) (sin θ - 2sin^3θ)/(2cos^3θ-cos θ) = tan θ October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related