when you have a linear combination for example 3x + 2y equals negative 4 you adieu like terms and then multiply
Answer:
1.5<x<4 i hope this is right sorry if its not
Step-by-step explanation:
No13.
Answer:
Cos(x+x)=cosx*cosx-sinx*sinx
=cos2(x)-sin2(x)
=(cosx+sinx)(cosx-sinx)
Answer:6
Step-by-step explanation:
