Question

What is sin(40)?
O A. 0.40
O B. 0.77
O C. 0.64
O D. 0.83

Answer 1

The answer is C.

Explanation:

If you type into the calculator for sin(40), you will get approximately 0.64 if you round it to 2 decimal places :

`\sin(40) = 0.6427876097`

`\sin(40) ≈ 0.64`