# How do you graph y= -sin(2x)-1/2?

Jun 9, 2015

2. Double the frequency of the sin, so that the function y=sin(2x) pass through the points $\left(0 , 0\right) , \left(\frac{\pi}{4} , 1\right) , \left(\pi , 0\right) , \left(\frac{3}{4} \pi , - 1\right) \ldots$