Geometry- Pre-Calc Exam 1

Label the 5 missing parts of the Unit Cirlce

• X-coordinate of A

• Y-coordinate of A

• X-coordinate of C

• Y-coordinate of C

What is the x-coordinate of A?

Point A, B, and C are marked on the Unit Circle.

Cos (180 degees) = ____- coordinate of point ______

Sin (180 degees) = ____- coordinate of point ______

Cos (50 degrees) = _____________