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Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. we) easelmerits) E Find its exact 1infalue. E \fEvaluate the expression under the given conditions. mew an}; cos} = i E! in Quadrant W. tanu] = ~..a' 1 , up in Quadrant II 4 Suppose that me [1-) = r and E 5 2 |:| c: .1: c: 5r. Find the exact value of cmr} [Enter an exact number as an integer, fraction, or decimal.) Find 5in[2x]l, cus{ 2x}, and tan {Ex} from the given information. 12 tan[x} = ?: x in Quadrant II