Home Maths Trigonometrical Ratios, Functions and Identities Maximum & Minimum Values of Trigonometrical Functions, Conditional Trigonometrical Identities If sin θ + cos θ = x, then sin 6 θ + cos 6 θ…
Maths Trigonometrical Ratios, Functions and Identities Maximum & Minimum Values of Trigonometrical Functions, Conditional Trigonometrical Identities Subjective Type
Published on: August 14, 2026

If sin θ + cos θ = x, then sin 6 θ + cos 6 θ = 1/4 [4 – 3 (x 2 – 1) 2 ] for all real values of x.

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