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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