Math 229 Final Exam: Memory Facts Name
Score
1. Given point (x, y) on the terminal side of
θ
, state the formula for r and the three trigonometric ratios
shown for
θ
in terms of x, y, and r.
r = sin
θ
= cos
θ
= tan
θ
=
2. Given right triangle ΔABC with C = 90°, state the three trigonometric ratios shown for angle A in
terms of opp, adj, and hyp.
sinA = cosA = tanA =
3. Complete the following table indicating the sign of each trigonometric function for each quadrant.
QI QII QIII QIV
sin
θ
cos
θ
tan
θ
4. First, state the radian measure of each special angle. Then give exact, simplified values for each
trigonometric function for each angle.
0° 30° 45° 60° 90° 180° 270°
Radians
sin
θ
cos
θ
tan
θ
