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CBSE Class 10 Answered

IF X=aSINA,Y=btanA.prove that a2/x2-b2/y2=1
Asked by apporv1999 | 11 Sep, 2014, 10:29: AM
answered-by-expert Expert Answer
L H S comma a squared over x squared minus b squared over y squared equals fraction numerator a squared over denominator left parenthesis a space sin space A right parenthesis squared end fraction minus fraction numerator b squared over denominator left parenthesis b space tan space A right parenthesis squared end fraction equals fraction numerator a squared over denominator a squared sin squared A end fraction minus fraction numerator b squared over denominator b squared tan squared A end fraction equals cos e c squared A minus c o t squared A equals 1 equals R H S H e n c e space P r o v e d
Answered by Prasenjit Paul | 11 Sep, 2014, 11:12: AM

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CBSE 10 - Maths
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