Mathematics
iosangel:

Is this correct?

ShoaibChaudhry:

If you put this equation into desmos

ShoaibChaudhry:

U could get a more accurate result

ShoaibChaudhry:

iosangel:

max is -1 min is -3,

iosangel:

midline is -2

iosangel:

how did i graph it incorrectly?

ShoaibChaudhry:

It is right but i thought this might help you make it more detailed

iosangel:

oh ok

iosangel:

@surjithayer could you please check this too?

surjithayer:

upto it is $\frac{ 3\pi }{ 2 }~correct$ but at $2 \pi$ it should be -2