Trigonometry - Graphing trig functions using a calculator

[@jamesboyd1470]

Thanks man, actually helped me a lott!

[@cv07apr9]

Very good tutorial

[@nisarg.thakar]

Can you tell me how do you graph (cos x)^2

[@charlesc8588]

Why did you have to divide (-pi/2) by 4 for the phase shift on the last example?

[@linusbao8650]

thank u

[@Mr.spovington]

What is the name of this calculator

[@bitsnstuff]

🙏

[@omarmoumani0709]

Why won't my it automatically transfer -4pi to decimal form

[@simonhagglund15]

you saved me