expressions that is equal to tan205°?

Question

nnesha · Answer

205 is not on the unit circle 
so find two number that add up to 205 and suppose to be be in unit circle :=)

anonymous · Answer

Thank you very much

nnesha · Answer

hm got it ??

nnesha · Answer

wait nope 
actually you you need angle between 0 to 360 degree
and circle add up to 360 degree
so subtract 360 ntil u get POSITIVE angle between 0 to 360

anonymous · Answer

25? I subtracted by 180 that gave me 25. and then subtracted 180-205 it gave me -25. tan25 is a answer choice so do you think that would be it

anonymous · Answer

A. TAN55, b. tan25, c. -tan25

nnesha · Answer

yes 25 is right you can use calculator you will get the same answer 
:=)

anonymous · Answer

thank you i have another question. i dont understand the problem.  sin(-150°) = -sin30° true or false?

nnesha · Answer

close this post and a make new one so other people able to help u too and i have to go :(