WEBVTT

1
00:00:00.000 --> 00:00:02.879
Here is the problem: cos(pi/12).

2
00:00:03.329 --> 00:00:05.430
Evaluate a numerical expression.

3
00:00:06.230 --> 00:00:07.461
Read the expression.

4
00:00:07.911 --> 00:00:15.701
Evaluate using the order of operations (parentheses, exponents, multiplication and division, addition and subtraction).

5
00:00:16.501 --> 00:00:22.120
So the answer is 0.9659258263.

6
00:00:22.570 --> 00:00:33.716
Operations are applied in the standard order: parentheses, exponents, multiplication and division from left to right, then addition and subtraction from left to right.

7
00:00:34.516 --> 00:00:41.645
Decimal value: 0.965925826289.