Sarkari RiseLogin
SSC CHSL 2020 · PYQ · Trigonometry · medium

If cot θ = 80/39, find the value of cosec θ.

Answer

The correct answer is C: 89/39. Using cosec²θ = 1 + cot²θ = 1 + (80/39)² = 1 + 6400/1521 = 7921/1521, so cosec θ = 89/39.

  1. A.89/80
  2. B.39/89
  3. C.89/39✓ Correct
  4. D.39/80

Explanation

Using cosec²θ = 1 + cot²θ = 1 + (80/39)² = 1 + 6400/1521 = 7921/1521, so cosec θ = 89/39.
💡 Practice unlimited SSC CHSL PYQs + AI-tracked progress on each topic. Sign up free →

More Trigonometry questions

Want more SSC CHSL practice?

Free daily 10-Q quiz · adaptive mocks · 49,000+ practice questions (19,000+ verified PYQs) · AI doubt solver in Hindi + English

Sign up freeMore Trigonometry practice