sin 30° का मान क्या है?
A1
B1/2
C√3/2
D1/√2
Answer & Solution
Correct answer: B. 1/2
30°-60°-90° वाले समकोण त्रिभुज में, 30° के सम्मुख भुजा कर्ण की आधी होती है, अतः sin 30° = 1/2।
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