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Solve the equation 2cos(x+7pi/4)= square root of 3 ,which lie in [0,2pi) .find smallest and largest solution. Please show details ! Thanks? Calculate the exact area bounded by the x-axis and the graph of y=28−11x+x2.? Iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii? How to solve ((cosxy)+(x/y))dx+1+((x/y)cos(x/y))dy=0 please help? Reduce power to the 1st powers of sin(nx) and cos (mx): cos^4 (x) =?