How do you solve #cos(theta)= 1# over the interval 0 to 2pi?

1 Answer
MathFact-orials.blogspot.com
May 28, 2016

Draw the graph first which will help visualize the function.
From looking at the diagram we can see that #cos(theta)=1# at #theta=0# and #theta=2pi#

Explanation:

The first step in answering a question about a trig function is to draw it. I've included a diagram below:

![www.google.co.th)

From looking at the diagram we can see that #cos(theta)=1# at #theta=0# and #theta=2pi#

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