Question

The y-value of tan(x) when x = -90° and x = 90° is undefined.

True

False

Answer 1

cos(-a)=cos(a)
Tan(A)=Sin(A) / Cos(A)

And cos(90) is what ?

Answer 2

@Esphas
@randolal

Answer 3

@vcooper456789 @vazxlegend @SyedMohammed98 @pooja195

Answer 4

lol idk what undefined

Answer 5

ok?

Answer 6

do u know anyone who can tell me if this is true or false? please

Answer 7

@sarahcall

Answer 8

@RAINIAR @taz007 @TheEdwardsFamily @r_josh10