posted by Rachal .
Find all solutions of the equation in the interval [0,2pi) .
If there is more than one solution, separate them with commas.
Do not round any intermediate computations, and round your answer(s) to the nearest hundredth.
Can someone help me with this? Thanks
my first thought is what unit for angles? degrees, radians? I have never liked computer instruction, they demand precision to the hundreth place, but don't specify the units. It makes a difference.
Cosine is positive in first, fourth quadrant.
so in the fourth quadrant, it is