Which expression is equivalent to: 1 - 2 sin²(θ) a)

Last updated: 7/30/2022

Which expression is equivalent to: 1 - 2 sin²(θ) a) sin²(θ)+1 b) cos² (θ) - sin²(θ) c) 1 - tan² (θ) d) 2 cos²(θ)+1