Need help for some HP Prime calculus/functions

[Devil69]

(12-19-2019 03:04 PM)Aries Wrote:  Press "Apps" key and select "Trig Explorer" in order to open the Trig Explorer app, you will be shown the equation at the top and the graph below.
Best,

Aries

Hi,

I've already done that, it shows me the graphic but without the pi abcissa and buttons on the screen and idk why

Thanks