Question

Use the unit circle to find the value of $\cos(\frac{7\pi}{6})$ and even or odd trigonometric functions to find the value of $\cos(-\frac{7\pi}{6})$. Select the correct choice below and fill in any answer boxes within your choice. A. $\cos(\frac{7\pi}{6}) = \square$ (Type an exact answer, using radicals as needed. Simplify your answer. Rationalize the denominator.) B. The expression is undefined.

          Use the unit circle to find the value of $\cos(\frac{7\pi}{6})$ and even or odd trigonometric functions to find the value of $\cos(-\frac{7\pi}{6})$.
Select the correct choice below and fill in any answer boxes within your choice.
A. $\cos(\frac{7\pi}{6}) = \square$
(Type an exact answer, using radicals as needed. Simplify your answer. Rationalize the denominator.)
B. The expression is undefined.
        
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Use the unit circle to find the value of cos((7π)/(6)) and even or odd trigonometric functions to find the value of cos(-(7π)/(6)).
Select the correct choice below and fill in any answer boxes within your choice.
A. cos((7π)/(6)) = □
(Type an exact answer, using radicals as needed. Simplify your answer. Rationalize the denominator.)
B. The expression is undefined.

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Precalculus with Limits
Precalculus with Limits
Ron Larson 2nd Edition
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Use the unit circle to find the value of cos(7pi )/(6) and even or odd trigonometric functions to find the value of cos(-(7pi )/(6)). Select the correct choice below and fill in any answer boxes within your choice. A. cos(7pi )/(6)= (Type an exact answer, using radicals as needed. Simplify your answer. Rationalize the denominator.) B. The expression is undefined. Use the unit circle to find the value of Select the correct choice below 7T cos and even or odd trigonometric 6 functions to find the value of and fill in any answer boxes within your choice 7T OA. 7T coS 6 (Type an exact answer, using radicals as needed. Simplify your answer.Rationalize the denominator.) cos 3 13 2 2 (0,1) 13 31 22 3 T 6 B. The expression is undefined. -1,0 1,0 3 2 13 2 1 2 2 43 2 1 2 13 2 2
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Transcript

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00:02 And they give you on the unit circle the coordinate point that corresponds with pi over 6 is radical 3 over 2 comma 1 half.
00:11 Now every coordinate point corresponds with cosine sine.
00:19 Tangent is equal to sine over cosine.
00:25 So if we want tan of pi over 6 we're gonna do 1 half over radical 3 over 2...
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