Answer: 1
13pi/2 can be simplified onto 6 pi/2, so it goes around the unit circle 6 times and left with pi/2. the coordinates of pi/2 is (0,1). the trigonometric function sin is y/r. since r is always 1 on the unit circle, the answer is the y value, in this case it is 1.
Answer:
I think 60
Step-by-step explanation:
have a great day
18 black birds are sitting on the wire.
Six-twelfths is equal to one half when simplified. Divide 36 by 2 to find the half, and get 18.
Answer:
The 2nd, 3rd, and last equations could be a possible first step.
The rest are no's.
Step-by-step explanation:
In the second equation, the 3 was distributed.
In the 3rd, it was separately distributed.
In the last, both sides were divided by 3.
The rest are knows because every equation gives us enough information.
Answer:
4
Step-by-step explanation:
