Question #69b19

1 Answer
sjc
Nov 25, 2017

#tan180=-tan30=-1/sqrt3=-sqrt3/3#

Explanation:

#tan150#

is in the second quadrant which is negative for the tangent ratio

#:.tan150=-tan(180-150)=-tan30#

#tan30# is a standard angle

#tan30=1/sqrt3=sqrt3/3#

#:.tan180=-tan30=-1/sqrt3=-sqrt3/3#

Related questions
Impact of this question
285 views around the world
You can reuse this answer
Creative Commons License