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if tan(a+b-c)/tan(a-b+c)=tana/tanb then prove that sin2a+sin2b+sin2c=0

if tan(a+b-c)/tan(a-b+c)=tana/tanb then prove that sin2a+sin2b+sin2c=0

Grade:11

1 Answers

Yuvraj Singh
askIITians Faculty 69 Points
one year ago
Q:if tan(a+b-c)/tan(a-b+c)=tana/tanb then prove that sin2a+sin2b+sin2c=0

Ans:
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