How do you find the six trigonometric functions of -90 degrees?
1 Answer
Oct 11, 2015
All you need to know is sin and cos for 90 degrees, the rest can be derived by formula.
Explanation:
Sin(90) = 1
Cos(90) = 0
Tan = sin/cos = undefined
Cot = cos/sin = 0
Sec = 1/cos = undefined
Csc = 1/sin = 1
hope that helped
