if x = a cos3 theta and y = b sin3 theta then prove (x / a)^ 2/3 + (y / b)^2/3 =1
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put the values of x and y in the equation .
(acos^3theta/a)2/3 + (bsin^3theta)2/3
a^2cos^2theta/a^2 + b^2sin^2theta/b^2
cos^theta + sin^theta
1
1=1
LHS=RHS
(acos^3theta/a)2/3 + (bsin^3theta)2/3
a^2cos^2theta/a^2 + b^2sin^2theta/b^2
cos^theta + sin^theta
1
1=1
LHS=RHS
Answered by
4
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