Download Right Triangle Trig Notes and HW D5 Terminal Points

Pre-Calculus
Right Triangle Trigonometry D5 Notes
Terminal Points
Name:
The Unit Circle:
Special Right Triangles:
√
(
√
) on the unit circle?
Example 1:
Is
Example 2:
The point
Example 3:
Use reference angles to find the terminal point determined by angle t.
(
) is on the unit circle. If the -coordinate is positive, find the value of .
a.
b.
c.
d.
e.
f.
Pre-Calculus
Right Triangle Trigonometry D5 Homework
Terminal Points
Are the following points on the unit circle? Show your work.
1. (
The point
√
)
2. (
is on the unit circle. Find
3. The -coordinate is
and
)
from the given information.
is in Q4
4. The -coordinate is
and
lies above the -axis
Use the reference angles to find the terminal point determined by angle .
5.
6.
7.
8.
9.
10.