Q. If $sin\ y = e^{- xcos\ y} = e,then\ \frac{dy}{dx}at\ (1,\pi)$ is equal to
A) $\sin y$
B) $- x\cos y$
C) $e$
D) $\sin{y - x\cos y}$
Explanation
The correct answer is Option C: $e$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.