Khan Academy

Introduction to scientific notation (K-A)

Scientific notation example: 0.0000000003457 (K-A)

Scientific notation examples 1 (K-A)

Scientific notation examples 2 (K-A)

Scientific notation review (K-A)

Approximating square roots to hundredths (K-A)

Intro to square roots (K-A)

Simplifying square roots (K-A)

Square roots of perfect squares (K-A)

Square roots review (K-A)

Understanding square roots (K-A)

Proof of the cosine angle addition identity (K-A)

Proof of the sine angle addition identity (K-A)

Review of trig angle addition identities (K-A)

Using the cosine angle addition identity (K-A)

Using the cosine double-angle identity (K-A)

Solving cos(θ)=1 and cos(θ)=-1 (K-A)

Solving sinusoidal equations of the form sin(x)=d (K-A)

Trig word problem: solving for temperature (K-A)

Trigonometric equations review (K-A)

Domain & range of inverse tangent function (K-A)

Intro to arccosine (K-A)

Intro to arcsine (K-A)

Intro to arctangent (K-A)

Inverse trigonometric functions review (K-A)