HAadtanA=cotB, I Hu T fa A+B=90° – InterviewSolution

1.	HAadtanA=cotB, I Hu T fa A+B=90°
Answer» Given,A+B = 90°=> A = 90 - B tan A = cot B=> tanA = tan(90-B)=> tanA = cotB [∵ tan(90 - θ) = cot θ]

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