Math, asked by bhavanathombarapu206, 4 months ago

Tan(45+A).Tan(45-A)=1

Answers

Answered by Anonymous

9

Step-by-step explanation:

LHS

= tan ( 45 + A ) tan ( 45 - A )

= tan ( 45 + A ) tan [ 90 - ( 45 - A )]

= tan ( 45 + A ) cot ( 45 + A )

= 1

RHS

Hence Prove

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