Math, asked by easymylavaram, 6 months ago

if A+B+C=pi,then prove that sin A/2+sinB/2_sinC/2=_1+4cos(PI_A/4).cos(pi_b/4).sin(pi_c/4)

Answers

Answered by shubham0167

Answer:

Step-by-step explanation:

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if A+B+C=pi,then prove that sin A/2+sinB/2_sinC/2=_1+4cos(PI_A/4).cos(pi_b/4).sin(pi_c/4)​

Answers

if A+B+C=pi,then prove that sin A/2+sinB/2_sinC/2=_1+4cos(PI_A/4).cos(pi_b/4).sin(pi_c/4)