What is the measure of the angle formed by an angle bisector that divides a given angle into two congruent angles?
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What is the value of sin(π/6) - cos(π/3) + tan(π/4)?
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What are the key characteristics of the quadratic function f(x) = x^2? Discuss its vertex, axis of symmetry, and whether it opens upward or downward. How many x-intercepts does it have?