OpenStudy (anonymous):

how do you find tan2x=-1?

OpenStudy (anonymous):

what angles do you get when computing arctan(-1) ?

OpenStudy (anonymous):

but wouldn't it be different? cause its tan2x?

OpenStudy (anonymous):

what is being different? the angle?

OpenStudy (anonymous):

-45 degree?

OpenStudy (anonymous):

there is another angle between 0 and 2pi

OpenStudy (anonymous):

-pi/4 is one of them

OpenStudy (anonymous):

oh thankyou