Published On Apr 28, 2021
Using the sine and cosine of the sum or difference of two angles, we can prove:
tan(x+y)=(tan(x)+tan(y))/(1+tan(x)tan(y))
show more
Using the sine and cosine of the sum or difference of two angles, we can prove:
tan(x+y)=(tan(x)+tan(y))/(1+tan(x)tan(y))
