WEBVTT

1
00:00:00.000 --> 00:00:04.667
Here is the problem: sin((45 times pi/180)).

2
00:00:05.117 --> 00:00:07.126
Evaluate a numerical expression.

3
00:00:07.926 --> 00:00:09.122
Read the expression.

4
00:00:09.572 --> 00:00:10.919
Simplify exactly.

5
00:00:11.369 --> 00:00:19.473
Evaluate using the order of operations (parentheses, exponents, multiplication and division, addition and subtraction).

6
00:00:20.273 --> 00:00:25.509
So the answer is 0.7071067812.

7
00:00:25.959 --> 00:00:36.837
Operations are applied in the standard order: parentheses, exponents, multiplication and division from left to right, then addition and subtraction from left to right.

8
00:00:37.637 --> 00:00:44.266
Decimal value: 0.707106781187.