Step-by-step explanation:
the formula is :
tan (a+b) =
(tan (a) + tan (b)) / ( 1 - tan (a) . tan (b))
therefore
tan (π/5) + tan (π/2)) / (1-tan (π/5) tan (π/2))
= tan (π/5 + π/2)
Sorry I don’t know that one but I recommend using the app photomath it really helps
Answer:
Slope = -1/5
Step-by-step explanation:
(-5, -2)(5, -4)
Slope: 