Q) Prove that, 2(sin6 θ + cos6 θ) – 3 (sin4 θ + cos4 θ) +1 = 0 Ans: We know that, (a-b)3 = a3 – b3 – 3ab (a – b) And (a-b)2 = a2 + b2 – 2ab LHS: 2(sin6 θ + cos6 θ) – 3 (sin4 θ + cos4 θ) +1 = 2[sin6 […]
Prove that, 2(sin^6 θ + cos^6 θ) – 3 (sin^4 θ + cos^4 θ) +1 = 0 Read More »