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How can I show A/B = 1 where A= 1+ 4cos(2 How do you calculate the derivative of csc^2(5^x(x^5)) ? Integration of 10-10e^-2t? I have 20 pieces that are 11 dm each ' how do I figure out my total? How long does it takes in minutes for light to reach jupiter from the sun, a distance of 8.367x10^8 km? plzz help?