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
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