Find the derivative of the function: f(x) = 6e^x + 3x^2. Find the derivative of y = x sin^{-1} \sqrt x. Find the derivative if y = \sin^{-1} {(3x)}. Find the derivative. sin^-1 (3x - 4x^3). Find the derivative of y = sin^-1 (3x) + ln (xsecx)^1/...
The derivative of secx is $$\d{y}{x} secx =secx tanx $$ But if $$x = \frac{\pi}{3}$$, then $$secx = 2 $$ and the derivative of a constant is 0. And $$sec\frac{\pi}{3} tan\frac{\pi}{3}$$ is equal to $$\frac{3}{2}$$ So what is the derivative of $$secx...
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