Question

if tanA=cotB where A and B are acute prove that A+B=90

Answer 1

Hi here is your answer
Tan theta = cot theta only when theta = 45
Here tan A = cot B
A= B = 45
45+45=90
A+B = 90
Hence proved hope it helps u

Answer 2

tanA=tan(90-B)
A=90-B
A+B=90
hence proved
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