1Pythagorean Trig Identity #1
$\sin^2x + \cos^2x = 1$
2Pythagorean Trig Identity #2
$\tan^2 x + 1 = \sec^2 x$
3Pythagorean Trig Identity #3
$\cot^2 x + 1 = \csc^2 x$
4$\frac{d}{dx}(\sin x)$
$\cos x$
5$\frac{d}{dx}(\cos x)$
$-\sin x$
6$\frac{d}{dx}(\tan x)$
$\sec^2 x$
7$\frac{d}{dx}(\cot x)$
$-\csc^2 x$
8$\frac{d}{dx}(\sec x)$
$\sec x \tan x$
9$\frac{d}{dx}(\csc x)$
$-\csc x \cot x$
10$\int \sin xdx$
$-\cos x + C$
11$\int \cos xdx$
$\sin x + C$
12$\int \tan xdx$
$-\ln|\cos x| + C$
13$\int \cot xdx$
$\ln|\sin x| + C$
14$\int \sec xdx$
$\ln|\sec x + \tan x| + C$
15$\int \csc xdx$
$-\ln|\csc x + \cot x| + C$