Question

refer to the graph of y=sin(x) or cos(x) to find the exact values of (x) in the interval [0,4pi]that satisfy the equation.
4sin(x)=4

Answer 1

sin x = 1 ???

x = pi/2

x = pi/2 + 2 pi

x = pi/2 + 4 pi No - delete, out of range

Answer 2

y=2 cos x interval of -π, 4π

Answer 3

graph of y= 2 cos x on the interval -π, 4π