If the inital side of is along the positive x-axis and the terminal side includes the point P given below, find in radians: (a) , =? (b) , ? (c) , ? (d) , ? (e) , ? (f) , ?
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When calculating the value of theta, you begin with the positive x-axis and move counterclockwise. If you know a little bit of trigonometry, these are all straightforward. Recall that , and the identities .
Most of those answers are some form of . For example b. is . You show us some work on the others.
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