Question

See attached question!!!

Answer 1

hi :)
do you know at which angle, is tan x undefined ?

Answer 2

No.....

Answer 3

can you find out what tan (pi/2) is ?

Answer 4

maybe from tan (pi/2) = sin (pi/2) / cos (pi/2) =.... ?

Answer 5

0.027 = tan(pi/2)

Answer 6

you are using your calculator in degree mode, dear .
and pi/2 is a radian angle.

Answer 7

I figured it out. It was B.

Answer 8

please make your calculator in radian mode OR calculate tan (90) =...?

Answer 9

and B is correct :)