Calculus 1: Derivatives of Trig Functions

Use the definition of the derivative to show that the derivative of $\sin{x}$ is equal to $\cos{x}$

Show that the derivative of $\cos{x}$ is equal to $-\sin{x}$

Show that the derivative of $\tan{x}$ is equal to $\sec^2{x}$

Use the quotient rule to find the derivative of $\sec{x}$

Use the quotient rule to find the derivative of $\csc{x}$

Find the derivative of the trig function, $f(x) = \sin{(x^2 + x)}$

What is the derivative of $y = x{}\cos{(x)}$

Find the derivative of $y = \frac{\tan{(2x)}}{x^2}$