Simplify cot(( square root of 3)/3)
Problem
Solution
Identify the expression as the cotangent of a constant value.
Recognize that the argument
√(,3)/3 is approximately0.577 radians.Determine if the argument corresponds to a common angle in degrees or radians. The value
√(,3)/3 is the tangent of30 (orπ/6 , but here it is the input to the cotangent function itself, not the result of a trigonometric function.Conclude that since
√(,3)/3 is not a standard multiple ofπ the expression cannot be simplified further into a rational number or a simple radical without using a calculator for a decimal approximation.
Final Answer
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