IF X=aSINA,Y=btanA.prove that a2/x2-b2/y2=1

Asked by apporv1999 | 11th Sep, 2014, 10:29: AM

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 | 11th Sep, 2014, 11:12: AM