if x= a sin thetaand y = btan thetathen prove that a square/ xsquare-bsquare /y square =1
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given : x = asinm y = tanm
to prove : a²/x² - b²/y² = a²/ a²sin²m - b²/ b² tan²m = cosec²m - cot²m = 1
hence proved.
to prove : a²/x² - b²/y² = a²/ a²sin²m - b²/ b² tan²m = cosec²m - cot²m = 1
hence proved.
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