Question

IF A = 60° and B = 30°, verify that
(1) sin (A + B) = sin A cos B + cos A sin 3
(ii) cos (A + B) = cos A cos B - sin A sin B
(ii) sin (A - B) = sin A cos B - cos A sin B.
(iv) tan (A-B) = tan A - tan B/
1+tan A tan B​

Answer 1

Step-by-step explanation:

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Answer 2

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