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If x = a sin θ and y = b cos θ, then d^2y/dx^2 is ... (a) (a/b^2) sec^2 θ (b) -(b/a) sec^2 θ (c) -(b/a^2) sec^3 θ (d) -(b^2/a^2) sec^3 θ

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If x = a sin θ and y = b cos θ, then d2y/dx2 is ... 

(a) (a/b2) sec2 θ

(b) -(b/a) sec2 θ

(c) -(b/a2) sec3 θ

(d) -(b2/a2) sec3 θ

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(c) -(b/a2) sec3 θ

x = a sin θ, y = b cos θ

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