Practice free →
Home › AP EAPCET (Engineering) › Mathematics › Differentiation Rules › If x = a cos(theta) and y = a sin(theta), what i…

If x = a cos(theta) and y = a sin(theta), what is dy/dx?

A-tan(theta)
B-cot(theta)
Ctan(theta)
Dcot(theta)
Answer & Solution
Correct answer: B. -cot(theta)
dy/d(theta) = a cos(theta) and dx/d(theta) = -a sin(theta), so the ratio is -cot(theta).
Solve this in the app — AP EAPCET (Engineering) practice & 24k+ MCQs →
Related questions
If y = e^x, what is the nth derivative of y?What is d/dx (x^2 + 1)^5 at x = 0?Find d/dx (sin x cos x).Where is f(x) = |x - 1| not differentiable?For f(x) = x^a with a nonzero constant, what is f'(x)?Find d/dx (2^(3x)).Find d/dx (e^x / x) for x not equal to 0.Differentiate x ln x for x > 0.