SSC CGL 2023 PYQ — Question 65

SSC CGL - 25 July 2023 - Shift 4 • Quantitative Aptitude • Q65

Find (1/sinθ) – sinθ.

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. cosθ cotθ.

Given, (1/sinθ) – sinθ

⇒ (1 - sin2θ)/sinθ

⇒ cos2θ/sinθ

⇒ cosθ. cosθ/sinθ = cosθcotθ