Question

if tanA=tanB then prove that A+B=90

Answer 1

Answer:

take tan b as tan 90 - b and than try to solve it

Answer 2

Answer:

tan A = tan B

In the triangle , since ∠C is 90° ,

A = 90-B

B = 90-A

By substituting the values of any of the above ,

A + ( 90-A ) = x

x = 90

Hence , the sum is 90 proved .

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