Question #f87ec Calculus Differentiating Trigonometric Functions Differentiating Inverse Trigonometric Functions 1 Answer Jim S Nov 16, 2017 f'(x)=4(sin/cos)' -6(6x) = 4((cos^2x+sin^2x)/cos^2x) - 36x = =4/cos^2x-36x , sin^2x+cos^2x = 1 Answer link Related questions What is the derivative of f(x)=sin^-1(x) ? What is the derivative of f(x)=cos^-1(x) ? What is the derivative of f(x)=tan^-1(x) ? What is the derivative of f(x)=sec^-1(x) ? What is the derivative of f(x)=csc^-1(x) ? What is the derivative of f(x)=cot^-1(x) ? What is the derivative of f(x)=(cos^-1(x))/x ? What is the derivative of f(x)=tan^-1(e^x) ? What is the derivative of f(x)=cos^-1(x^3) ? What is the derivative of f(x)=ln(sin^-1(x)) ? See all questions in Differentiating Inverse Trigonometric Functions Impact of this question 1542 views around the world You can reuse this answer Creative Commons License