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How do you solve this?? by substitution of u=cos2x find integration of sin^5 2x dx?? How much energy is required to raise the temperature of 40.2 g of water from -23.0°C to 94.9°C? C program to find the sum of even numbers between 50 and 100? The number of ways in which 5 persons {P,Q,R,S} and {T} can be seated in a ring so that P sits between Q and R is? Cosblah is copyrighted by whom?