Question

if tanA=cotB find A+B

Answer 1

tan A = cot B

tanA = tan ( 90 - B )

A = 90 - B

A + B = 90

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Answer 2

Answer:

tanA=cotB

⇒tanA=tan(π/2-B)

⇒A=π/2-B

⇒A+B=π/2

Step-by-step explanation: