1
Question
If tan A = cot B, prove that A + B = 90°
If tan A = cot B, prove that A + B = 90°
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Solution
Given that,
tan A = cot B
tan A = tan (90° − B)
A = 90° − B
A + B = 90°
Given that,
tan A = cot B
tan A = tan (90° − B)
A = 90° − B
A + B = 90°
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