SOLUTION: Solve the equation below in the interval from 0 to 2pi. Round to the nearest hundredth. 5 cos t=-1

Algebra ->  Trigonometry-basics -> SOLUTION: Solve the equation below in the interval from 0 to 2pi. Round to the nearest hundredth. 5 cos t=-1      Log On


   



Question 877536: Solve the equation below in the interval from 0 to 2pi. Round to the nearest hundredth.
5 cos t=-1

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the equation below in the interval from 0 to 2pi. Round to the nearest hundredth.
5 cos t=-1
cos(t) = -0.2
t = 101.54 degs, 258.46 degs
----
t = 1.37. 4.51 radians
============================
Do you not have a calculator?