Consider the following statements :

1. cos² θ = 1 – (p² + q²) / (2pq), where p, q are non-zero real numbers, is possible only when p = q.

2. tan² θ = (4pq / (p + q)²) – 1, where p, q are non-zero real numbers, is possible only when p = q.


Which of the statements given above is/are correct?

Mathematics 2018 CDS Elementary Mathematics 2018 CDS 2018

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