55-58 - Evaluating Expressions Involving Trigonometric Functions Evaluate each expression under the given conditions. 55. cos(0 – 4): cos 0 = , 0 in Quadrant IV, tan = - V3, p in Quadrant II. %3D 56. sin(0 - 6); tan 0 = . e in Quadrant III, sin o = - V10/10, o in Quadrant IV 57. sin(0 + 4); sin 0 = . 0 in Quadrant I, cos o = -2V5/5, in Quadrant II 58. tan(0 + 4); cos 0 = -, 0 in Quadrant III, sin o = 1, in Quadrant II

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