By the Pythagorean identity, sin²θ + cos²θ = 1 for any angle θ. Therefore sin²30° + cos²30° = 1.
Back to JEE Main 2026 Trigonometry
JEE Main 2026 — Mathematics Trigonometry
easy
mcq
2026
Official previous-year question
Verified 30 May 2026.
Question
The value of sin²30° + cos²30° is:
Options
- A
1
- B
0
- C
1/2
- D
2
Solution
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