You need to use the cosine for this and this is how you do it.
A consumer activist group wants to determine the mean lifetime of the Amazon Kindle DX. The consumer activist groups randomly se
1 answer:
You might be interested in
- - Solve:
- - Answer:
<span>17.391304 is your amount.
</span><span />
- - Answer:
<span>17.391304 is your amount.
</span><span />
now let's recall that a full circle has 360°, so then 1140 = 360 + 360 + 360 + 60.
namely, 1140 is 3 full-go-around the circle and then it lands on the I Quadrant at 60°. Thus cos(1140°) = cos(60°).
what's that cosine of 60°? Check the picture below.
