Algebra-2

Question Analysis
This question involves finding an acute angle whose tangent value is 1.
The main focus is on connecting exact tangent values to their corresponding special angles.

Key Concept Explanation
An acute angle (between 0 and radians) with is a 45° angle, which is radians. This comes from a 45-45-90 isosceles right triangle, where the opposite and adjacent sides to the 45° angle are equal—so their ratio (tangent) is 1.

Step-by-step Solution
1. Recall that means

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