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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? Could someone please help me find the LCD of this rational expression as well as the solution? 4/(x+1)+1/x=15/(2x)? Ho wma y kilometers run after 22 minutes? Calculus help? limit as x approaches negative infinity of (sqrt(9x^2+x)) -3x? Solve for x: log base{5}(x+6)- log base{5}(x-5)=1?