If x=asecthetacostheta,y=bsecthetasinthetaandz=thetatantheta, then fin – InterviewSolution

1.	If x=asecthetacostheta,y=bsecthetasinthetaandz=thetatantheta, then find the value of (x^(2))/(a^(2))+(y^(2))/(b^(2))-(z^(2))/(c^(2))
Answer» a) 1 b) `-10` C) 0 d) 2 Answer :A

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