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EXAM 1 PRACTICE 1. Given that the point P = (− 25 , √ 21 ) 5 is on the unit circle what are the exact values of all six trigonometric functions? 2. Find the exact value of the following ) a. sin( 11π 2 b. sin(−300◦ ) c. cos( 10π ) 3 d. cos(405◦ ) The following illustration is the labeling we used for the following two questions 3. Solve the right triangle if a = 6, b = 4. 4. Solve the right triangle if B = 25◦ , c = 13. 5. Find the exact value of each of the remaining trigonometric functions of θ given that cos θ = 3 5 and 3π 2 < θ < 2π. 6. Find the exact value of each of the remaining trigonometric functions of θ given that tan θ = − 31 and sin θ > 0. 7. For the function f (x) = − 43 cos(3x − π4 ) + 1 a. What is the amplitude? b. What is the period? c. What is the phase shift? d. What is the maximum value f (x) can take? e. What is the minimum value f (x) can take? 1 2 EXAM 1 PRACTICE 8. For the graph below, write two equations for the graph, one using the function sine and the other using the function cosine.