MATH 2233 Quiz: MATH 2233 OK State Quiz4 sol
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Except where otherwise instructed, trigonometric expressions must be simpli ed: (8 points) perform the following tasks related to the trigonometry associated with t = . 6 (a) (2 points) what is the reference number of t = . 6 ? (b) (1 point) which quadrant is the terminal point determined by t = . 6 in? (c) (1 point) what are the coordinates of the terminal point determined by t = . 6 ? (d) (1 point) what is sin( . 6 (e) (1 point) what is cos( . 6 (f) (2 point) what is csc( . 4 : (4 points) find the amplitude and period of the function f (x) = 5 cos(3x). Label which is which: (4 points) the point p is on the unit circle in the third quadrant, and has x-coordinate . What is its y-coordinate: (2 point bonus) a trigonometric function evaluation we did not see in class is that cos 2 .