riting Inverse Trigonometric Equations
с
y
X
b
Which equations for the measures of the unknown
angles x and y are correct? Check all that apply.
* cos
x = COS-¹(a)
✓ x = sin-¹-
✓x = tan
= tan-¹-
x y = sin-¹[²]
✓ y = cos ¹
