Which angle has a cotangent value of -1? a. Quadrant 1 b. Quadrant 2 c. 120 degrees d. 135 degrees

Question

asked Aug 27, 2022 121k views

1 Answer

Chris SH · Answer 1 · 2022-09-01T04:52:48+0000

Answer:

Solution given:

cotangent x=cot x=-1

now

x=cot -¹(-1)

x=180-45°

x=135°

So

ans is d. 135 degrees.

as cot is negative in 2nd quadrant.