
On the unit cirlce, the cosine of an angle is negative whenever the angle falls in the interval

.
If you recall your special triangles, this cosine occurs for angles of

and

.
More generally, this occurs for

and

, where

is an integer.
Answer:
what do you mean on the question?
Step-by-step explanation:
Answer:
462.30m
Step-by-step explanation:
If she earns $462.30 each month, you multiply by the number of months to find how much she made over that time.
Answer:
29.5
Step-by-step explanation:
(28+[(2*42)\8)
=(28+84/8)
=(28+1.5)
=29.5
Answer:
82
Step-by-step explanation:
In order to find the median, you need to put the number list in smallest to largest order.
67, 76, 76, 82, 84, 87, 93
<em>The median is the number in the middle, so the median would be 82.</em>