Answer:
answer is I'm guessing B.
Answer:

Step-by-step explanation:
Solve using the distance formula:

Input the corresponding numbers into the formula

Solve

They are used for making the sides of a triangle into a ratio. Sine is opposite of the angle divide by the hypotenuse, cosine is adjacent divided by the hypotenuse, and tangent is the opposite divided by the adjacent. Sine is the y-component, cosine is the x-component, and tangent is the ratio of sine/cosine or can also be considered the slope.
Yes it is a rational number
Answer:
I don't understand why this question is even on here. You literally just subtract. The difference is 18 degrees.
Step-by-step explanation: