how do you find csc 2π/13 using a calculator? confused since theres no terminal point for π/13... help please

Question

zzr0ck3r · Answer

depends on the calculator
on a ti-89 
csc(2pi/(13))

debbieg · Answer

On a more old-school calculator (like mine, lol)... you need to use the fact that:

csc(x)=1/sin(x)

So you would evaluate 1/[sin(2pi/13)]

anonymous · Answer

so how do you find sin(2pi/13) @DebbieG

zzr0ck3r · Answer

just like that
sin(2pi/13)

debbieg · Answer

Your calculator has to have a "SIN" button on it. If you don't have a calculator with the trig functions - at least SIN, COS, TAN - and you are taking trig, then you probably need to invest in a new calculator.