Which statements are true about the functions y=sin(x), y=cos(x), and y=tan(x)?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120