Math, asked by margajsiddhi7189, 7 months ago

If a+b+c=180°prove that sina+sinb+sinc=cosa/2+cosb/2+cosc/2

Answers

Answered by srimathiandsri

0

Answer:

I do not know

Step-by-step explanation:

If a+b+c=180°prove that sina+sinb+sinc=cosa/2+cosb/2+cosc/2

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