Mathematics

Mathematics

Problem

If sin⁡(xy)+cos⁡(xy)=0\sin(xy) + \cos(xy) = 0 , then dydx\frac{dy}{dx} is a. yx\frac{y}{x} b. −yx-\frac{y}{x} c. −xy-\frac{x}{y} d. xy\frac{x}{y}

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