# Evaluate Inverse Tangent Expressions Using the Unit Circle (Nice Values)

This video explains how to use the unit circle to evaluate inverse trigonometric expressions.

# Evaluate Inverse Sine Expressions Using the Unit Circle (Nice Values)

This video explains how to use the unit circle to evaluate inverse trigonometric expressions.

# Ex: Solve tan(x)=a on [0,2pi) with a Calculator (negative a)

This video explains how to solve the equation tan(x)=a  (negative a) on the interval [0, 2pi) that requires the use of a calculator.

# Ex: Evaluate Expressions Involving Arctangent

This video explains how to evaluate expressions involving arctangent using reference triangles.

# Ex: Inverse Trig Function Application – Rocket Height

This video explains how to determine an inverse trigonometric function for the angle of elevation of a height of a rocket.

# Ex: Integration Tables – Integration Involving 1/u and a^2+u^2

This video provides and example of write a rational function as a sum of two function before integrating by apply integration formulas.

# Integration Tables: Basic Integration Involving a^2+u^2

This video provides an example of how apply an integration formula that involving a^2+u^2.