Trigonometry

Explore the world of trigonometry by mastering right triangles and their applications, understanding and graphing trig functions, solving problems involving non-right triangles, and unlocking the power of trigonometric equations and identities. This course builds foundational skills and real-world problem-solving techniques essential for advanced math and science studies.

4 units83 videos10 hours

Learn it live with a class on Puzzicle · Teachers: use it with your class

Unit 1: Right triangles & trigonometry

Ratios in right triangles

Introduction to the trigonometric ratios

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

Solving for a side in right triangles with trigonometry ✓ Check-ins7:04

Sine and cosine of complementary angles

Modeling with right triangles

Right triangle word problem ✓ Check-ins4:35

The reciprocal trigonometric ratios

Unit 2: Trigonometric functions

Unit circle introduction

Radians

The Pythagorean identity

Special trigonometric values in the first quadrant

Trigonometric values on the unit circle

Graphs of sin(x), cos(x), and tan(x)

Amplitude, midline, and period

Features of sinusoidal functions ✓ Check-ins4:58

Transforming sinusoidal graphs

Graphing sinusoidal functions

Sinusoidal models

Long live Tau

Unit 3: Non-right triangles & trigonometry

Law of sines

Law of cosines

Solving general triangles

Trig word problem: stars ✓ Check-ins6:00

Unit 4: Trigonometric equations and identities

Inverse trigonometric functions

Sinusoidal equations

Sinusoidal models

Angle addition identities

Using trigonometric identities

Challenging trigonometry problems

Learn this with a class

With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.

Find a class Teachers: use this course with your class