Indefinite Integral (cos(2x))^2 – Power Reducing Substitution

This video provides and example of how to integrate cos^2(2x) using a power reducing identity and u substitution.

Indefinite Integral: (sin(x))^2 – Power Reducing Substitution

This video provides and example of how to integrate sin^2(x) using a power reducing identity and u substitution.

Ex: Integral Using Substitution with an Odd Power of Sine

This video explains how to perform u-substitution when the integrand contains an odd power of sine.

Ex: Integral Using Substitution with an Odd Power of Cosine

This video explains how to perform u-substitution when the integrand contains an odd power of cosine.

SAT Math (Geometry) – Practice 3.7

The video provides an explanation of a practice SAT math question involving geometry.  View or download the practice questions at http://www.ck12.org.

Prove a Property of Hyperbolic Functions: (sinh(x))^2=(-1+cosh(2x))/2

This video shows a proof of one of the properties of hyperbolic functions.

Prove a Property of Hyperbolic Functions: sinh(x+y)=sinh(x)cosh(y)+cosh(x)sinh(y)

This video shows a proof of one of the properties of hyperbolic functions.

Prove a Property of Hyperbolic Functions: (sinh(x))^2 – (cosh(x))^2 = 1

This video shows a proof of one of the properties of hyperbolic functions.

Ex: Find the Derivative and Equation of Tangent Line for a Basic Trig Function

This video explains how to find the derivative and equation of a tangent line given a basic trigonometric function.  The results are verified graphically.

Ex: Model Daily Temperatures Using a Trig Function

This video explains how to model daily temperatures using a sinusoidal function given the daily low and high temperature.