Undefined terms; assumptions (postulates); definitions; theorems
Remember that cos is just a translation of sin and vice versa.
So:
Sin(x) = Cos(90 - x)
Cos(x) = Sin(90 - x)
Therefore, to answer your question:
Cos(19) = Sin(90 - 19)
= Sin(71)
Answer:
X=28
Step-by-step explanation:
3x-8=2x+20. So x=28
Answer:
5
Step-by-step explanation:
if u add al of these it equals 35 divided by 7 equals 5
