Practice Trig Ratios Unit Circle1 3l2xf

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Practice Worksheet/ Trig Ratios on the Unit Circle Find the exact value of the trig ratio without using a calculator. You must show work that s your answers. 1. 2. 3.

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Rewrite the six trigonometric functions of  in of sine and/or cosine of the reference angle. You must show work to your answers. 13.  = 115°

14.  = 422°

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Approximate the value of the trig ratio using a calculator. To show your work, write down what you entered into the calculator. Round your final answer to four decimal places. 17.

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