The point (10,-3) is on the terminal side of an angle t. Find cot(t) to 2 decimal places.
(10, -3)
cot [t] = x / y
cot [t] = 10/-3 = -3.33
However.......if you want to know the value of t, we have
cot-1 ( 10/-3) ≈ -16.69°...but this angle lies in the 4th quadrant so we have
360 - 16.69 ≈ 343.31°
+295 
