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Trigonometry

Understand angles and how they relate to real-life movement, direction, and measurement.

20Courses
60Lessons
120Micro-lessons
Course #1

Angle Measurement

Practical understanding of angles, degrees, and how to measure them in real situations.

Open course
3 Lessons6 Micro-lessonsDifficulty: Beginner
Course #2

Right Triangles

A practical course focused on how right triangles behave and how to work with their sides and angles.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #3

Sine

Understanding how sine connects an angle to side lengths.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #4

Cosine

A practical path to understand how cosine connects triangle sides.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #5

Tangent

Practical understanding of how tangent connects sides in right triangles.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #6

SOH-CAH-TOA

Explore the application of trigonometric ratios in various scenarios.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #7

Inverse Trig

Explore the intricacies of inverse trigonometric functions and their applications.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #8

Trig Identities

Explore the world of trigonometric identities and learn how to apply them effectively in various scenarios.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #9

Unit Circle

Explore the unit circle and its role in defining trigonometric values.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #10

Radians

Explore the concept of radians and their application in measuring angles.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #11

Trig Equations

Advanced judgment in solving trigonometric equations under uncertainty and pressure.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #12

Graphing Trig Functions

Mastering judgment in graphing sine, cosine, and tangent under ambiguous and stressful conditions.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #13

Law of Sines

Advanced mastery of the Law of Sines for ambiguous and high-stakes triangle problems. Focus on judgment, restraint, and calibration.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #14

Law of Cosines

Advanced mastery of the Law of Cosines for ambiguous and high-stakes triangle solving.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #15

Trig Proofs

Advanced mastery of trigonometric proofs: diagnosing subtle failures, recalibrating judgment, and recognizing when algebraic manipulation leads to error.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #16

Periodicity

Mastering judgment in periodic trigonometric functions: recognizing when repetition misleads, and calibrating decisions under ambiguous cycles.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #17

Amplitude & Phase

Mastering the subtle limits and consequences of amplitude and phase decisions in complex wave systems.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #18

Complex Trig

Mastering the interaction of advanced trigonometric functions under ambiguous and stressful conditions. Focus on judgment, restraint, and calibration.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #19

Real-World Trig

Advanced judgment in applying trigonometry to real measurements. Focus on ambiguous cases, hidden risks, and restraint.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #20

Trigonometry Mastery

Advanced trigonometry for teens: judgment, restraint, and calibration in ambiguous and high-stakes scenarios.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced