Find the Exact Value sin(71)
Problem
Solution
Identify the expression as the sine of an angle measured in degrees.
Determine if the angle is a standard reference angle (such as
0 30 45 60 or90 .Recognize that
71 is not a standard angle and cannot be easily expressed as a sum or difference of standard angles to produce a simple radical form.Conclude that the exact value is represented by the expression itself, as further simplification into basic radicals is not possible using standard trigonometric identities.
Final Answer
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