Question

Use a calculator to evaluate 8 · cos30° rounded to four decimal places.
6.9282
1.2340
-7.9043
-0.50

Answer 1

The answer is A. 6.9282

Answer 2

Answer:

6.9282 is correct answer.

Step-by-step explanation:

Given :  8 · cos30° .

To find :  evaluate 8 · cos30° rounded to four decimal places.

Solution : We have given that  8 · cos30° .

By the trigonometric values  

cos30° = $\frac{\sqrt{3} }{2}$

Plug the value

8 · $\frac{\sqrt{3} }{2}$

8 · 0.8660

6.9282.

Therefore, 6.9282 is correct answer.