Practice Evaluate each of the following.

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Practice Evaluate each of the following. 1) cos (150 ○) 2) sin (360 ○) 3) 4) 5) 6) 7) tan(240○) 8) csc(-225○) 9) cot(20π/3) 10) sec(- π/4)

Solving Trig Equations

Determine all of the solutions 0 < x < 2π NON-Calculator Determine all of the solutions 0 < x < 2π 2cos x – 1 = 0

Determine all of the solutions 0 < x < 2π NON-Calculator Determine all of the solutions 0 < x < 2π

Determine all of the solutions 0 < x < 2π NON-Calculator Determine all of the solutions 0 < x < 2π 3tan2x = 1

Determine all of the solutions 0 < x < 2π NON-Calculator Determine all of the solutions 0 < x < 2π 2cos2x – cosx – 1 = 0

CALCULATOR ACTIVE Determine all of the solutions 0°< x < 360° cosx = 0.7 3sinx = 9 sinx = -2/5

Calculator Solve algebraically for all solutions [0º, 360º) Confirm your solutions graphically.