CBSE BOARD X, asked by niyanshastha, 9 months ago

If a+b+c=180° prove that 2sinb/2 .cosb/2+sinc = 4sina/2. cosb/2. sinc/2

Answers

Answered by tyrox619

0

Answer:

a + b + c equals to 180 implies that we are talking about a triangle.

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