1) What trig ratio do I use to solve for x? a) Cosine b) Sine c) Tangent d) Pythagorean Theorem 2) What trig ratio do I use to solve for x? a) Sine b) Cosine c) Tangent d) PEMDAS 3) What trig ratio do I use to solve for x? a) Tangent b) Cosine c) Trigonometry d) Sine 4) What trig ratio do I use to solve for x?  a) Cosine b) Sine c) Tangent 5) What trig ratio do I use to solve for c? a) Tangent b) Cosine c) Sine 6) sin330 a) √3/2 b) 1/2 c) -1/2 d) -√3/2 7) cos 180 a) 0 b) -1 c) 1 d) undefined 8) tan 90 a) 0 b) 1 c) undefined d) -1 9) tan 60 a) √3 b) √3/3 c) √2/2 d) 1 10) cos 210 a) -1/2 b) 1/2 c) √3/2 d) -√3/2 11) If sinx < 0, what quadrants could it be in? a) 1 and 2 b) 2 and 3 c) 3 and 4 d) 1 and 4 e) 2 and 4 12) If cosx = 5/13, what is the tan x? a) 13/5 b) 12/5 c) 5/12 d) 5/13 e) 12/13 13) If sinx = .8 what are all possibilities for x if 0° < x < 360°? a) 233° and 307° b) 127° and 233° c) 53° and 127° d) 43° and 137° 14) Which of the following is false about reference angles a) they are always positive b) they are always acute angles c) they are always formed with the x axis d) Only positive angles have reference angles 15) Which of the following is coterminal with 150° a) 30° b) 210° c) -210° d) 730°

Trig Review

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