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ICSE Class 10 Answered

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Asked by siddharthjaiswal1122 | 25 Aug, 2018, 06:32: PM
answered-by-expert Expert Answer
begin mathsize 18px style sin squared straight A space tan space straight A space plus space cos squared straight A space cot space straight A space plus space 2 space sin space straight A space cos space straight A
equals fraction numerator sin cubed straight A over denominator cos space straight A end fraction plus fraction numerator cos cubed straight A over denominator sin space straight A end fraction plus space 2 space sin space straight A space cos space straight A
equals fraction numerator sin to the power of 4 straight A plus cos to the power of 4 straight A plus 2 space sin space squared straight A space cos squared space straight A over denominator sin space straight A space cos space straight A end fraction
equals fraction numerator open parentheses sin squared straight A plus cos squared straight A close parentheses squared over denominator sin space straight A space cos space straight A end fraction equals sec space straight A space cosec space straight A

tan space straight A space plus space cot space straight A equals fraction numerator sinA over denominator cos space straight A end fraction plus fraction numerator cosA over denominator sin space straight A end fraction equals fraction numerator sin squared straight A plus cos squared straight A over denominator sin space straight A space cos space straight A end fraction equals sec space straight A space cosec space straight A end style
Answered by Arun | 27 Aug, 2018, 10:13: AM
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