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Question
If tan A=cot B, Prove that A+B=90∘ [1 MARK]
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Solution
Concept: 1 Mark
tan A=cot B
tan A=tan(90−B)
⇒A=90−B
A+B=90∘
tan A=cot B
tan A=tan(90−B)
⇒A=90−B
A+B=90∘
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