Answers edited by Joel Kindiak

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• How do you integrate #int e^x cos ^2 x dx # using integration by parts?
  
• What is the derivative of #arctan(y/x)#?
  
• How do you evaluate #\lim _ { x \rightarrow 2} \frac { \frac { 1} { x } - \frac { 1} { 2} } { x - 2}#?
  
• How do I simplify #(2x)/(x-3)-(x)/(x+3)#?
  
• How do you integrate #int (x^3 + 2) / (x^4 -16)# using partial fractions?
  
• How do you find the general solutions for #cos2xcscx-2cos2x=0#?
  
• How do you find the sum of the infinite geometric series 36+24+16+...?
  
• How do you find the derivative of Inverse trig function #y = arc csc (x/2)#?
  
• How do you find the general solutions for #4cos^2 (x) - 3 = 0#?