Answer:
No this is not the same as cos(2Ф)
Step-by-step explanation:
First I changed the
Ф into 1-
Ф
I then foiled the (1-2
Ф)(1-
Ф) and that resulted in 1-
Ф-2
Ф+2
Ф
From there, I then cancelled the two 2
Ф and combined like terms and was left with 1-3
Ф
Now 1-3
Ф ≠ cos(2Ф)
4.88 rounded to the nearest tenth is 4.9
Answer:
51 inches
Step-by-step explanation:
The centroid G divides each median into the ratio 2:1, so GF is 1/3 of CF. That is, ...
CF = 3(GF) = 3(17 in)
CF = 51 in
If you burned the same number of calories every minute while you kept biking for 45 minutes, and burned a total of 560 calories, then the number of calories burned per minute is 560/45=112/9