Pure

Formulas that are not on the formula sheet

Product Rule

A function multiplying the other function

Quotient Rule

A function divided by the other function

Chain Rule

A function within a function

Reverse Chain Rule

Pythagorean identity

\sin^2x+\cos^2x=1

Identity for \sin^2x

\sin^2x=\frac{1-\cos\left(2x\right)}{2}

Double Angle Formula for \sin\left(2\theta\right)

\sin\left(2\theta\right)=2\sin\theta\cos\theta

Double angle formula for \cos\left(2\theta\right)

\cos\left(2\theta\right)=\cos^2\theta-\sin^2\theta

Double angle formula for \tan\left(2\theta\right)

\frac{2\tan\theta}{\left(1-\tan^2\theta\right)}

Pythagorean identity for \sec^2\theta

\sec^2\theta=1+\tan^2\theta

d/dx (sinx)

\cos x

d/dx (cosx)

-sinx