Asked by becca
What would cos2theta=-1/2 be???
Answers
Answered by
drwls
It looks like an equation that can be solved for theta. Is that what you want to do?
The angles 2theta with a cosine of -0.5 are 120 and 240 degrees, and also 480 and 600 degrees.
So.. what are the corresponding theta values?
The angles 2theta with a cosine of -0.5 are 120 and 240 degrees, and also 480 and 600 degrees.
So.. what are the corresponding theta values?
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