9. If A + B = 90°, cot B =Then find TanA – InterviewSolution

1.

9. If A + B = 90°, cot B =Then find TanA

Answer»

B=90-Acot(90-x) =tanxtherefore, cot(90-A) =tanAtherefore, TanA=3/4

cotB=3/4=>tan(90-B)=3/4=>tanA=3/4. {A+B=90}

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