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CBSE Class 10 Answered

answer of this question wid step wise explanation.
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Asked by ABHILASHA | 02 Feb, 2019, 09:08: AM
answered-by-expert Expert Answer
begin mathsize 16px style open parentheses secA space plus space tanA close parentheses open parentheses 1 minus space sinA close parentheses equals open parentheses 1 over cosA space plus space sinA over cosA close parentheses open parentheses 1 minus space sinA close parentheses equals open parentheses fraction numerator 1 plus sinA over denominator cosA end fraction space close parentheses open parentheses 1 minus space sinA close parentheses equals fraction numerator open parentheses 1 plus sinA close parentheses open parentheses 1 minus space sinA close parentheses over denominator cosA end fraction equals fraction numerator 1 space minus space sin squared straight A over denominator cosA end fraction equals fraction numerator cos squared straight A over denominator cosA end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals cosA Answer left parenthesis straight D right parenthesis end style
Answered by Yasmeen Khan | 04 Feb, 2019, 12:15: PM

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