If x=a sin θ and y=b tan θ. Prove that a2/x2–b 2/y2=1.
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Step-by-step explanation:
a^2/(asintheta)^2 - b^2 /(btan theta) ^2
1/ sin^2 theta -1/ tan^2 theta
cosec^2 theta - cot^2 theta
= 1
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