Q. 44.8( 5 Votes )

Find <span lang="

Answer :

as x = aeθ (sin θ – cos θ)


Differentiating it with respect to θ



= a[eθ(cos θ + sin θ) + (sin θ-cos θ)eθ ]


……(1)


And , y = aeθ(sinθ + cosθ)


Differentiating it with respect to θ,



= a[eθ(cos θ - sin θ) + (sin θ + cos θ) eθ]


……(2)


Dividing equation (2) by equation (1),




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