Answer:
B. -20.005
Step-by-step explanation:
( -86.005 ) + 66
= -20.005
Answer: 5
Step-by-step explanation:
see the picture.
Because tan theta > 0 and cos theta is negative this angle is in the third quadrant.
angle whose cos is 2/5 is 66.42 degrees
The required angle is 180 + 66.42 = 246.42 degrees answer.