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Algebra II with Trigonometry TRIG-4 THE UNIT CIRCLE WORKSHEET #1 (TB 12-3) Complete the table of values below. 30 or p p 45 or 6 4 60 or p 3 sin cos tan Evaluate the following and give an exact value. 1) sin 210o 2) tan 315o 3) cos 150o 4) csc 225o 5) sin 6) sin 7) sec - 8) cot 9) cos - 10) tan 11) For an angle Q in standard position, sinQ = 4p 3 5p 6 11p 6 be 225o? Justify your reasoning. 12) 2 2 3p 4 7p 4 -7p 3 and tanQ = -1 . Can the value of Q Sketch a 45o–45o–90o triangle and a 30o–60o–90o triangle with a hypotenuse of 1. Find the lengths of the sides of the triangles. Algebra II with Trigonometry TRIG-4 THE UNIT CIRCLE WORKSHEET #2 (TB 12-3) Complete the table of values below. 30 or p 45 or 6 p 60 or 4 sin cos tan Evaluate the following and give an exact value. 1) cos 135o 4) cot 7) sin 10) cot 13) sin 23p 6 15p 4 -9p 4 -7p 3 2) tan 330o 5) sec 8) cos 11) sec 14) cos -19p 6 -3p 4 -21p 4 16p 3 3) csc -45o 6) csc 9) tan 12) csc 15) tan 29p 6 25p 4 17p 4 10p 3 p 3 Algebra II with Trigonometry TRIG-4 THE UNIT CIRCLE WORKSHEET #3 (TB 12-3) Reconstruct the chart of special values and the unit circle below. Evaluate each of the following and provide an exact answer. 1) sin 300o 2) sec 120o 3) sin 270o 4) tan -90o 5) cot18p 6) csc - 7) tan 8) sin 9) sec 10) csc 11) tan -15 12) sin 181 13p 6 253p 2 5p 4 3p 2 -21p 2 Algebra II with Trigonometry TRIG-4 THE UNIT CIRCLE REVIEW 1) Evaluate each of the following. Give an EXACT answer. b) sin 5p 3 3p 4 d) cos 11p 6 cos 4p 3 f) sin 7p 6 g) tan 5p 6 h) tan 3p 4 i) cos j) sin 7p 2 k) cot 8p 3 l) sec 5p 3 m) cos 9 n) tan o) tan -5 a) cos c) cos e) p 6