Test Academy | If sin y + e⁻ˣᶜᵒˢ y = e, then dy/dx at (1, π) is equal to sin y, -x cos y, e, sin y

Question

If sin y + e⁻ˣᶜᵒˢ y = e, then dy/dx at (1, π) is equal to

Options :

sin y
-x cos y
e
sin y – x cos y

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