Reviewing for test.

1. Time to get some work done ...
students working hard for extra credit

2. Draw a graph for the following equation showing at least 2 periods ...
Write another equation for this graph using sine ...

3. Convert each of the following to and exact radian measure.
(b) -72°
(a) 115°
Use the rest of these questions to
review for your test, period 4 tomorrow.
Convert each of the following to degree measure. (Round to the nearest tenth.)
(b)
(a)

4. If an arc 20 m long subtends an angle of 4 radians at the centre of a circle, find the
radius of the circle.

5. An ant is walking along the edge of a basketball. The diameter of the ball is .
if the ant walked through a central angle of 60°, exactly how far did the ant
walk?

6. The point P(θ) on the unit circle is not in quadrant II. If sec θ = , find the
other 5 trigonometric values for P(θ).

7. Is the point on the unit circle? Justify your answer.

8. Find the exact value for each of the following expressions:

9. Solve the following equations for 0 ≤ θ ≤ 2π. Give exact values where possible.
(a) (csc (x) - 1)(sec (x) + 1) = 0 (b) tan x + √(3) = 0

10. Solve the following equations:

11. Find the exact value for each of the following:
(a) (b)
(c) (d)