SOLUTION: Evaluate Arctan (2cos30)
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Question 593967: Evaluate Arctan (2cos30)
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
Arctan (2cos30)
Since cos(30) = this becomes:
which simplifies to:
This represents the angle between -90 and 90 whose tan is . The only angle between -90 and 90 whose tan is is 60.
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