Find the value of cos(230Β°) + 2sin(45Β°) - tan(180Β°) Γ csc(60Β°).
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Find the equation of an ellipse with a major axis length of 8 units, a minor axis length of 6 units, centered at the origin, and aligned with the x-axis. (
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What is the formula for finding the area of a regular polygon with side length s and apothem a?