Download name_______________________________________ trig review #7

NAME_______________________________________
TRIG REVIEW #7
1. Express each angle in radian measure: a) 225° _______
b) 330° _______
2. Express each angle in degree measure: a)
2
_______
3
b)
7
_______
6
3. Find (if possible) the complement and supplement of each angle: [If the angle is in
degrees, the answers should be in degrees and if the angle is in radians, the answer should
be in radians]
ANGLE COMPLEMENT SUPPLEMENT
27°
105°

3
5
12
4. Find the exact point on the unit circle that corresponds to: a) 150° _____ b)
7
4
5. Evaluate the six trigonometric functions at each angle:
ANGLE SIN COS TAN CSC SEC COT
240°
5
6

6. Graph f(x) = 3cos2x on the interval 0 ≤ x ≤ 2π. State the amplitude and period.
7. Graph f(x) = -2csc x on the interval 0 ≤ x ≤ 2π. State the domain and range.
8. Prove: cos x + sin x tan x = sec x
9. Prove: sin (

+ x) = cos x
2
10. Solve for all values of θ in the interval 0 ≤ θ < 360°: 2sin2θ + 3sin θ + 1 = 0