Consider the equation cos(2.00t) = -0.1. Find the smallest possible solution in radians and round to 2 decimal places.
cos(2t) = -1/10
arccos ( -.1) = 2t ≈ 1.67 rads
So
2t = 1.67 rads
t ≈ .835 rads = .84 rads
+295 
