Consider the following statements:

1. (sec²θ – 1)(1 – cosec²θ) = 1

2. sin θ(1 + cos θ)² + (1 + cos θ)(sin θ)⁻¹ = 2 cosec θ
Which of the above is/are correct?

Mathematics 2018 CDS Elementary Mathematics 2018 CDS 2018

Options