# Module 4: Trigonometry

### Learn

### Practice

Trig values of special anglesGet 3 of 4 questions to level up!

### Learn

### Practice

Using the trig angle addition identitiesGet 3 of 4 questions to level up!

Find trig values using angle addition identitiesGet 3 of 4 questions to level up!

### Learn

### Practice

Solve triangles using the law of sinesGet 3 of 4 questions to level up!

Solve triangles using the law of cosinesGet 3 of 4 questions to level up!

General triangle word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

Evaluate inverse trig functionsGet 3 of 4 questions to level up!

Solve sinusoidal equations (basic)Get 3 of 4 questions to level up!

Solve sinusoidal equationsGet 3 of 4 questions to level up!

Sinusoidal models word problemsGet 3 of 4 questions to level up!