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If x = a cos θ, y = b sin θ, find dy/dx. |
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Answer» ∵ x = a cos θ, y = b sin θ ∴ dx/dθ = -a sin θ = dy/dθ = b cos θ ∴ dy/dx = b cos θ/-a sin θ = - (b/a) cot θ |
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