Q. 164.3( 3 Votes )

# If x = a cos θ +

Answer :

As x = acos θ +bsinθ …(1)

Differentiating x w.r.t θ we get-   …(2)

Similarly we have,

y = a sinθ – b cosθ …(3)

Differentiating y w.r.t θ we get-    …(4)

By chain rule we can write that: From equation 2 and 4 we have- From equations 1 and 3, we get- …(5) Differentiating both sides w.r.t x – Using product rule of differentiation, we can write it as-  From equation 5 we can write it as-  Rate this question :

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