Trigonometry Applying trigonometric ratios and identities to solve real-world problems. Trigonometry Foundations Right Triangles Similar Right Triangles Pythagorean Theorem Trigonometric Ratios Reciprocal Trigonometric Ratios Complementary Angles Word Problems on Right Triangles General Triangles Area of Triangle Laws of Sines Laws of Cosines Problems on Non-right Triangles Trigonometric Functions Radians & Degrees Unit Circles Special Angles Symmetry and Periodicity Amplitude, Frequency, and Midline Inverse Functions Trigonometric Identities Pythagorean Identity Addition and Subtraction Formulas