Question

Is this correct?

Answer 1

If you put this equation into desmos

Answer 2

U could get a more accurate result

Answer 3

max is -1 min is -3,

Answer 4

midline is -2

Answer 5

how did i graph it incorrectly?

Answer 6

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

Answer 7

oh ok

Answer 8

@surjithayer could you please check this too?

Answer 9

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