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Evaluate `int(dx)/((1+sinx)^(1//2))` |
Answer» Correct Answer - `sqrt(2) log|(tan ((x)/(4)+(pi)/(x)))|+C` `int(dx)/((1+sinx)^(1//2))=int(dx)/("cos"(x)/(2)+"sin"(x)/(2))` `=(1)/(sqrt(2))int(dx)/("sin"((x)/(2)+(pi)/(4)))` `=(1)/(sqrt(2))int"cosec"((x)/(2)+(pi)/(4))dx` `=(1)/(sqrt(2))(log|tan((x)/(4)+(pi)/(8))|)/((1)/(2))+C` `=sqrt(2) log|(tan ((x)/(4)+(pi)/(x)))|+C` |
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