a Given that sin²(θ/2)=2 sinθ, show that √17 sin (θ+a)= 1

Last updated: 8/12/2022

a Given that sin²(θ/2)=2 sinθ, show that √17 sin (θ+a)= 1 and state the value of a, where θ<a</7/2 (-/-) = 2 sin 0, (3 ma (2) for 0° ≤θ ≤ 360° b Hence, or otherwise, solve sin² (4 ma