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4-70.

Given , find the exact value of each of the following trig expressions.

Draw a unit circle and label the and -coordinates for . You can easily find all trig functions once you know the coordinates.

Circle with horizontal diameter, point in first quadrant, about 2 thirds up from right diameter endpoint, right triangle with hypotenuse between center & point, horizontal leg on positive x axis, labeled 1 half, vertical leg labeled 1 half times square root of 3.

  1. What is the in terms of the other trig functions?

  1. What is the in terms of the other trig functions?

  1. What is the in terms of the other trig functions?