The conversion is


So

We're given the fairly unusual

It's fairly unusual because usually an angle is given in degrees or radians, and typically the radians are a fraction times pi. We'll assume radians.

Ah, there's our .75. The approximate answer is

Third choice.
The exact answer is

also a line through the origin.
Answer:
D
Step-by-step explanation:
BecASUE D IS THE NEXT IN THE PATTERN.
Yes it is a 90 degree rotation clockwise.
Answer:
pi(π) is the constant and x is the variable since pi is a numerical value and x can change according to the equation given.
Step-by-step explanation: