- A1
- B3
- C0
- D2
Step-by-Step Solution
sin30 cos60 + cos30 sin sin 90°.
Answer: A) 1
Meera writes A = 30° and B = 60°.
She wants to verify sin(A + B) = sin A cos B + cos A sin B.
Compute sin A cos B + cos A sin B and give its value.
Class 10Trigonometric Ratios of Standard AnglesTrigonometry
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