Question

if X=a sec theta cos theta and b= sec theta sin theta and z=c tan theta then x^2÷a^2+y^2÷b^2​

Answer 1

Answer:

If x^2,a^2 + y^2,b^2 = 1 , prove that (d^2y),(dx^2) = - b^4 ,(a^2 y^3)

Step-by-step explanation:

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