Answer:
Step-by-step explanation:
To find the reference angle of a given angle, first of all, the quadrant of the given angle is determined.
So for 7pi/12
The quadrant is 2nd.
For the angle belonging to 2nd quadrant the equation for reference angle will be:
r=180 - theeta
Step-by-step explanation:
Option → D
Answer:
9.625
Step-by-step explanation:
(3 1/2) x (2 3/4) = 9.625