Prove: (1 cosθ + sinθ) (1 + cosθ + sinθ) = 2 sin θ (1 + sinθ) - Maths - Introduction to Trigonometry

Question

Prove: (1 – cosθ + sinθ) (1 + cosθ +
sinθ) = 2 sin θ (1 + sinθ)

Manbar Singh · Accepted Answer

Prove: (1 – cosθ + sinθ) (1 + cosθ + sinθ) = 2 sin θ (1 + sinθ)