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CBSE Class 10 Answered

Prove that cosA = cotA/√1+cot^2A
Asked by devanshsinghbais111 | 11 Oct, 2022, 01:57: PM
Expert Answer
fraction numerator cotA over denominator square root of 1 plus cot squared straight A end root end fraction equals fraction numerator cotA over denominator square root of cosec squared straight A end root end fraction equals fraction numerator begin display style cosA over sinA end style over denominator cosecA end fraction equals fraction numerator begin display style cosA over sinA end style over denominator begin display style 1 over sinA end style end fraction equals cosA
Answered by Renu Varma | 14 Oct, 2022, 11:34: AM
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