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Question -

यदि tan A = cot B, तो सिद्ध कीजिए कि A + B = 90°



Answer -

tan A = cot B दिया है |
⇒ tan A = tan (90° – B)
तुलना करने पर
⇒ A = 90° – B
⇒ A + B = 90°
Proved.

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