Trigonometry, Unit Circle Pythagorean Identity - Cos/Sin to Identity (Radians, Squared Notation)

This math topic focuses on the application of trigonometric identities within the unit circle, particularly the Pythagorean identity. The questions ask students to utilize the relationships involving sine and cosine functions, specifically their squares under various scenarios, to determine triangle dimensions when angles are given in radians. The problems require students to convert sine and cosine values into their respective squared forms, exploring different mathematical expressions derived from the Pythagorean theorem as used in trigonometry.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.