## anonymous one year ago 2 SIMPLE TRIG PROBLEMS, I NEED HELP, HAVE BEEN LOOKING FOR HELP FOR ABOUT 3 HOURS!

1. anonymous

2. anonymous

@Hero @pooja195

3. camoboy04

What do you think it is

4. Michele_Laino

hint: the first graph is a branch of a standard trigonometric function, whereas the second graph is related to this function: $\Large y = 10\cos \left( {x + \alpha } \right)$ here, using the points which you provided, you have to establish the exact value of the constant $\Large \alpha$