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7.3 Double Angle Formulas

Textbook

Advanced Functions Nelson

Chapter

Section

7.3

Solutions 46 Videos

1. Double Angles 9 Videos

Introduction to Double Angle Formulas Sine Double Angle Formula

Cosine Double Angle formulas

Simplifying using Cosine Double Angle Fomula examples

Cos3x in terms of Cos x only

Finding double angles ratios from single angle givens

Lowering Power using Double Angle formulas

Simplifying Expressions using Double Angles

Trig Identity using Double Angles Example

Trig Identity using Tangent Double Angle Example

2. Half Angles 4 Videos

Introduction to Half Angles

Summary of Half Angle Formulas

Finding sin(x/2) and cos(x/2) given cos x

Finding tan(x/2) given sin x