Back to Use special triangles and unit circle — Problem 3 · Task Set 68
Exercises: Exact Trigonometric Values from Special Triangles
Use special triangles and unit circle symmetry. Express all answers in exact form (no decimals).
Grade 9·22 problems·~30 min·Common Core Math - HS Functions·group·hsf-tf-a-3
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Warm-Up: Review What You Know
These problems review skills you have already learned.
1.
The terminal side of angle lies in the third quadrant. What is its reference angle? Express your answer in the form (e.g., pi/4).