Question

Limits by Direct Substitution

find the limit...


lim cos(x)
x----> pie/6

HELP ANYONE?

Answer 1

so you just have to find cos(pi/6)

Answer 2

since you can substitute it without any problem

Answer 3

so you can do it using your calculator or if you remember what is cos(pi/6)

Answer 4

yeahhhh . but how do I find cos?

Answer 5

pi/6 is a pretty typical angle that you will see. Lookup: Unit Circle.

Answer 6

30 degrees

Answer 7

That is what pi/6 IS. However, there is a value of sine (vertical or "y" part) and a value of cosine (horizontal, or "x" part) at that angle.