JEE Main 2026 · Session 2 · Shift 1 · Mathematics
Question 11
If sin(π/18) sin(5π/18) sin(7π/18) = K, then the value of sin(10Kπ/3) is:
- A. (sqrt(3)+1)/(2sqrt(2))Correct answer
- B. (sqrt(3)−1)/sqrt(2)
- C. sqrt(3)/2
- D. 1/2
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Official source
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Question paper, page 5.