If cosθ + cos2θ = 1, the value of (sin2θ + sin4θ) is - Maths - Introduction to Trigonometry

Question

If cosθ + cos2θ = 1, the value of
(sin2θ + sin4θ) is

Brijendra P. · Accepted Answer

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If cosθ + cos2θ = 1, the value of (sin2θ + sin4θ) is....