The period of a sine and cosine is 2pi. The amplitude is 1.
Answer:

Step-by-step explanation:
It's given that
. Because the side
corresponds with the side
, their lengths will be equal. Therefore, we have:

Plugging
, we have:
.
Answer: D The upward tension force in the cable is equal to the downward force of gravity.
Step-by-step explanation:
16x = 2250 + 6x
x = 225
So he must sell 225 cameras
16(275) = 4400
6(275) = 1650
4400 - (1650 + 2250) = 500
$500 profit
Is this a question or a comment? Sorry I'm confuse...