Question

(tan(40deg)-tan(10deg))/1+tan(40deg)tan(10deg)=1/srqt3
step by step

Answer 1

\[\tan(x-y)=\frac{ \tan x -\tan y }{ 1+ \tan x \tan y}\]

Answer 2

u can use this identities ^

Answer 3

okay thank you!

Answer 4

np :)