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#
Trigonometry

#### Course content

#### Trigonometry with right triangles

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#### Trigonometry with general triangles

#### The unit circle definition of sine, cosine, and tangent

#### Graphs of trigonometric functions

#### Trigonometric equations and identities

Free

101 Lessons

Introduction to the trigonometric ratios

Intro to the trigonometric ratios

Trigonometric ratios in right triangles

Solving for a side in a right triangle using the trigonometric ratios

Solving for a side in right triangles with trigonometry

Modeling with right triangles

Right triangle word problem

Trigonometric ratios and similarity

Triangle similarity & the trigonometric ratios

Trig challenge problem: verify identities

Trig challenge problem: trig values & side ratios

Sine and cosine of complementary angles

Sine & cosine of complementary angles

Using complementary angles

Trig word problem: complementary angles

Introduction to the Pythagorean trigonometric identity

Intro to the Pythagorean trig identity

The reciprocal trigonometric ratios

Finding reciprocal trig ratios

Using reciprocal trig ratios