It says decreasing so you have to turn it into a percent (.06%) and then sub tract that from 1. After that you put that into an equation.
I do not know but i am going to still glith the server if you need help go to google
Answer:
Yes
Step-by-step explanation:
1) Cos 300 = Cos (360 - 60) = Cos 60 {Cos 360 - theta = Cos theta}
= 1/2
Sin 300 = Sin (360 - 60) = -Sin 60 =
3) 3π/4 = 3*180/4 = 135
Cos 135 = Cos (90 + 45) = -Cos 45 =
Sin 135 = Sin (90 + 45) = Sin 45 =