- Find an exact expression of cos (u+v)?

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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? Im having trouble on these last 2 biology questions I have. Any help would be great. Thank You.? Can you decode this into a phone number? &GZZOIZPOP? Which better: AUTOCAD 3D or AUTODESK INVENTOR ?
For design/ drawing: pipeline, baseline/ metal frame, and pumps..? For what values of k is the following integral improper? upper bound is k, lower bound is 0. (x)/(x^2-19x+90)dx?