Trigonometric Functions
Unit circle, trigonometric functions, identities, and equations
All Topics in Trigonometric Functions
Degrees and Radians
Learn how to convert between degrees and radians, and understand radian measure.
Trigonometric Identities
Fundamental trigonometric identities including Pythagorean, reciprocal, quotient, and even-odd identities
Arc Length and Sector Area
Calculate arc lengths and sector areas using radian measure.
The Unit Circle
Master the unit circle, special angles, reference angles, and the CAST rule.
Graphing Trigonometric Functions
Graph sine, cosine, and tangent functions and understand transformations including amplitude, period, phase shift, and vertical shift.
Solving Trigonometric Equations
Solve trigonometric equations using algebraic techniques, inverse functions, and the unit circle.
Negative and Coterminal Angles
Understand negative angles and coterminal angles, and learn how to find them.
Inverse Trigonometric Functions
Understand inverse trigonometric functions, their domains, ranges, and how to evaluate and use them to solve equations.
Sum and Difference Identities
Use sum and difference formulas for trig functions
Law of Sines and Law of Cosines
Apply the Law of Sines and Law of Cosines to solve oblique triangles and find missing sides and angles.
Double Angle and Half Angle Identities
Apply double and half angle formulas