Question

If A+B+C = , prove that (1-6):
1. (i) sin 2A + sin 2B - sin 2C = 4 cos A cos B sin C
(ii) sin 2A - sin 2B + sin 2C = 4 cos A sin B cos C.
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

"C" (and any subsequent words) was ignored because we limit queries to 32 words.

Step-by-step explanation:

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