Math, asked by chshmish9991, 11 months ago

A+B+C=180,Prove That Summation (Tana/Tanb.Tanc)=Summation (Tana)-2 Summation (Cota)

Answers

Answered by soumyadeep55

1

Answer:

A+B+C=180

So, A =180-(B+C)

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