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Module 6: Trigonometric Equations

Solve trig equations using algebraic techniques, identities, and inverse functions.

4 Lessons
~3-4 hours
10 Practice Problems
Module Quiz

Learning Objectives

  • Solve basic trig equations on [0, 2π) and on (−∞, ∞)
  • Apply identities to reduce equations to solvable form
  • Handle equations with multiple angles
  • Define and evaluate inverse trig functions

Module Lessons

1

Solving Basic Trig Equations

Find solutions to equations like 2sinθ − 1 = 0 on [0, 2π) and for all real numbers.

2

Solving Equations Using Identities

Use Pythagorean and double-angle identities to simplify and solve trig equations.

3

Equations Involving Multiple Angles

Solve equations like sin(2x) = √3/2 and cos(3x) = 0.

4

Inverse Trig Functions

Define sin¹, cos¹, tan¹ with restricted domains and evaluate compositions.

After the Lessons

Begin Module 6 →