Find the Exact Value arctan(24/7)
Problem
Solution
Identify the expression as the inverse tangent of a ratio, which represents an angle
θ such thattan(θ)=24/7 Recognize that
24/7 is not a value associated with the standard angles (like30 45 or60 on the unit circle.Determine if the expression can be simplified further. Since
24 and7 are the legs of a Pythagorean triple(7,24,25) the angle can be described using other inverse trigonometric functions, but the exact value in radians or degrees cannot be written without thearctan() notation or a decimal approximation.Conclude that the exact value is the expression itself, as it represents a specific unique angle in the interval
(−π/2,π/2)
Final Answer
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