2015 April(73G) Math Question 58

Trigonometry

- Pythagorean Theorem & sin cos tan

58. In the standard (x,y) coordinate plane below, B is on the positive x-axis, the measure of AOB is 150°, and the length of AO is 1 coordinate unit. What are the coordinates of A ?

Choice F

58. In the standard (x,y) coordinate plane below, B is on the positive x-axis, the measure of AOB is 150°, and the length of AO is 1 coordinate unit. What are the coordinates of A ?

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