Become a Trigonometry Master

Learn everything from Trigonometry , then test your knowledge with 260+ practice questions

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“Very clear instruction, great content, great presentation, and thorough curriculum totally covering everything that someone looking to learn Trigonometry will be offered here. Definitely a great buy!”

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Course Summary

Learn everything you need to know to pass your Algebra 2 class and prepare you to go into Trigonometry with a solid understanding of what’s going on. Video explanations, text notes, and quiz questions that won’t affect your class grade help you “get it” in a way most textbooks never explain.

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Course outline

The curriculum includes:

The unit circle
- Finding sine and cosine of an angle theta
- All possible values for the angle theta
- All possible values for the real number t
- Completing a triangle
- Finding the side lengths of the triangle
- Reference angle theorem
- Given a point on the terminal side of the angle
Graphing the trig functions
- Period and amplitude
- Sketching sine and cosine
- Comparing sine and cosine graphs
- Horizontal shifts and vertical shifts
- Sequence of transformations
- Transformations algebraically
- Sketching graphs of transformations
- Graphing combinations of functions
Trig identities
- Even-odd identities
- Sum-difference identities
- Half-angle identities
- Double-angle identities
- Product-to-sum identities
- Sum-to-product identities
- Using trig identities to prove the equation
- List the solutions of the equation inside the interval

Angles and their measure
- Complementary and supplementary angles
- Sketching angles in standard position
- Quadrant of the angle
- Finding coterminal angles
- Converting between degrees and DMS
- Converting between degrees and radians
- Functions of negative angles
- Oriented arc for a real number
- Area of a circular sector
- Linear and angular velocity
Six circular functions
- Domain and range of the six circular functions
- Find the value or say where the function is undefined
- Find all six trig functions given the quadrant of the angle
- Find all six trig functions at the coordinate point
- Find all six trig functions using reciprocal identities
- Angle of elevation
- Angle of depression
- Proving the trig equation
- Proving the trig equation with pythagorean identities
The law of sines and law of cosines
- The law of sines
- The law of cosines
- The law of sines for area of a triangle
- Heron's formula for area of a triangle