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Base of a solid is bounded by y=2, y=arcsinx, and x=1. Each cross section perpendicular to the x-axis is a square. What is the volume? What are the coordinates of the vertex of the parabola represented by the equation y= −5x2 + 30x−25 ? How do I use de Moivre's formula to evaluate (cos pi/7 + i sin pi/7) ^7 in cartesian form? What is the density range of thermosets? Derivative of sin(x/2)?