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

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Answer 1 · 2016-05-28T11:17:33

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 $theta=2pi$

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

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

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