Question

eative Section
If A + B + C= Pi, show that
a) Cos A. Sin A + Cos B. Sin B + Cos C. Sin C = 2 Sin A. Sin B. Sin C
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Answer 1

Answer:

If A + B + C= Pi, show that

a) Cos A. Sin A + Cos B. Sin B + Cos C. Sin C = 2 Sin A. Sin B. Sin C

Step-by-step explanation:

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