If sinθ = (p² − 1) / (p² + 1), then cosθ is equal to:By shivwebdeveloper31@gmail.com / October 17, 2025 Question : If sinθ = (p² − 1) / (p² + 1), then cosθ is equal to : Options : 2p/1+p² p/1-p² p/1+p² 2p/1-p² correct answer : a)