The expression A is equivalent to 30 degrees.
We have to determine whether the expression is equivalent to 30°.
What is the equivalent angle?
Two rotation angles that have the same measure.
D is not 30 degrees it's around 37
The value of cos ^-1(root3/2) =30 degree
[tex]\frac{\sqrt{3} }{2}=cos(30^0)[/tex]
The expression is equivalent to 30 degrees.
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