If #tan x=3#, what are sin x and cos x?

Question

If #tan x=3#, what are sin x and cos x?

1 Answer

Impact of this question

24969 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-04-16T11:24:02

If #tan(x) =3# then there are two possible configurations:
enter image source here
from which it follows that
#sin(x) = 3/sqrt(10)# or #sin(x) = -3/sqrt(10)#
and
#cos(x) = 1/sqrt(10)# or #cos(x) = -1/sqrt(10)#

Science

Math

Humanities

... and beyond

If #tan x=3#, what are sin x and cos x?

1 Answer

Related questions

Impact of this question