Trigonometry Beginner Quiz 5

1. In a right triangle, what is the name for the trigonometric ratio adjacent/opposite?

2. On the unit circle, what is the length of the radius?

3. What is the value of sine for a 0-degree angle in a right triangle?

4. In a right triangle, which two sides form the right angle?

5. What is the value of cosine for a 0-degree angle in a right triangle?

6. What is the word for an angle that is exactly 180 degrees?

7. In trigonometry, what do you call the three basic functions sine, cosine, and tangent together?

8. What is the quadrant called where both x and y are positive on the coordinate plane?

9. What is the name for an angle greater than 0 degrees but less than 180 degrees?

10. On the unit circle, what is the y‑coordinate of the point at 90 degrees (or π/2 radians)?