Use a calculator to evaluate the given trigonometric function. Round the answer to three decimal places as needed. $$\cos \left( 30 ^ { \circ } \right)$$ .

Name: Use a calculator to evaluate the given trigonometric function. Round the answer to three decimal places as needed. \[\cos \left( 30 ^ { \circ } \right)\] .
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Question

Quizplus · Accepted Answer

Using a calculator or reference triangle, we find that $\cos(30^\circ) = \frac{\sqrt{3}}{2} \approx 0.866$. Rounding to three decimal places gives us answer choice A.

Use a Calculator to Evaluate the Given Trigonometric Function cos⁡(30∘)\cos \left( 30 ^ { \circ } \right)cos(30∘)

Use a Calculator to Evaluate the Given Trigonometric Function $\cos \left( 30 ^ { \circ } \right)$