Back to Use special triangles and unit circle — Problem 1 · 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.
A right triangle has legs of length 3 and 4. What is the length of its hypotenuse?