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SSC CHSL 2023 · PYQ · Trigonometry · medium

If cotθ = 9/17, find the value of cosec²θ.

  1. A.1 81/289✓ Correct
  2. B.9/17
  3. C.8/17
  4. D.208/289

Explanation

Using the identity cosec²θ = 1 + cot²θ = 1 + (9/17)² = 1 + 81/289 = 370/289 = 1 + 81/289 = 1 81/289.
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