A motor turns at 2400 revolutions per minute. What is its turn in radian degrees per second?
40π rad
80π rad
40/π rad
40/2π rad
Point P on a terminal arm is located at (7, -4). What is the cosine of the angle?
7/√65
-4/√65
4/√65
-7/√65
What is sine 210 (no calculator hard mode)
0.5
-0.5
1
2π/3
What is sine π/6 rad
0.5
-0.5
3
Yes
What makes a graph periodical?
It goes up and down
The values repeat forever
It's m
It's a wheelee
In equation y = cos(3/4 x), what is the domain?
3π/4
6π/4
4π/3
8π/3
Rrrr
Rrrr
Yyyyyyyy
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