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Mathematics 7 Online
OpenStudy (anonymous):

Suppose y= (x/sqrt(a^2-1) ) - (2/sqrt(a^2-1)) * tan^-1(sinx/a+sqrt(a^2-1)+cosx) Show y`=1/a+cosx Please explain how you got it also! Suppose y= (x/sqrt(a^2-1) ) - (2/sqrt(a^2-1)) * tan^-1(sinx/a+sqrt(a^2-1)+cosx) Show y`=1/a+cosx Please explain how you got it also! @Mathematics

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