Question 1204955



{{{y = 1.4cos(0.6theta)}}}

recall:

{{{y = A*cos(B(x + C)) + D}}}

amplitude is{{{ A}}}
period is {{{2pi/B}}}
phase shift is {{{C}}} (positive is to the left)
vertical shift is {{{D}}}


in your case {{{A=1.4}}}, {{{B=0.6}}}, {{{C=0}}},{{{ D=0}}}

so,

amplitude  {{{A=1.4}}}
{{{period =2pi/0.6=2pi/(6/10)=pi/(3/10)=10pi/3}}}