H Intro to Cal Final Exam Review Spring 13.tst

97) Find the exact value.sec π 4A)22B) 2 33C) 2 D) 398)a33°b = 12Find the measure of the side of the right triangle whose length is designated by a lowercase letter. Round youranswer to the nearest whole number.A) a = 18 cm B) a = 7 cm C) a = 8 cm D) a = 1 cm99) Use a calculator to find the value of the acute angle θ to the nearest degree.sin θ = 0.8659A) 1° B) 76° C) 60° D) 31°100) Find all solutions of the equation.2 sin x - 3 = 0A) x = π 3 + nπ or x = 2π 3 + nπ B) x = π 6 + 2nπ or x = 5π 3 + 2nπC) x = π 6 + nπ or x = 5π 3 + nπ D) x = π 3 + 2nπ or x = 2π 3 + 2nπ101) Use substitution to determine whether the given x-value is a solution of the equation.cos x + 1 = sin x, x = -7π4A) Yes B) No102) Solve the equation on the interval [0, 2π).cos 2x =22A) 0, 2π 3 , π, 4π 3B) π 8 , 7π 8 , 9π 8 , 15π8C) π 4 , 3π 4 , 5π 4 , 7π 4D) no solution103) Solve the equation on the interval [0, 2π).sin2 x + sin x = 0A) 0, π, 3π 2B) 0, π, 4π 3 , 5π 3C) 0, π, π 3 , 5π 3D) 0, π, π 3 , 2π 3104) Solve the equation on the interval [0, 2π).2 cos2 x + sin x - 2 = 0A) π 2 , 3π 2 , π 3 , 2π 3B) π 6 , 5π 6C) π 3 , 2π 3D) 0, π, π 6 , 5π 620