Answer:

Step-by-step explanation:
The point at the terminal side of an acute angle is given by
.
That is,
and
.
Let r be the length of line segment drawn from the origin to the point and is given by the formula:

Substituting the values of x and y into r,



Thus,
Also,
is given by:

Substituting values of x and r,

Answer:
- Sadie didn't split the a^7 term into the largest even exponent and the remaining factor. She stopped at a^2.
- 3a³b√(6ab)
Step-by-step explanation:

Answer is 4 :) I hope it help you.
Answer:

Step-by-step explanation:
<em><u>Identity Used </u></em>: 

Answer:
just divide 120 divided by 30 is 4 I know it right bc I had the same question on into math if thats what you were on
Step-by-step explanation: