- How many four-letter words can be made from the English alphabet (without reusing any letters)?

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Solve the equation on the interval [0, 2pi). (tan x -1)(sin x + 1) = 0? 336 J energy is needed to convert 1gm of ice into water at 0℃.What is change in entropy of 30gm of water if it is converted to ice at 0℃? How do you apply the right hand rule? Why Careprost is best medicine for Hypotrichosis? Sinθ =1/4. tan θ >0 find cos θ/2?