`lim_(x->oo)(x-ln coshx)` where `cosh t =(e^t+e^(-t))/2`

lim_(x rarr oo),((cosh((pi)/(x)))/(cos((pi)/(x))))^(x^(2)) where cosh t,=(e^(t)+e^(-t))/(2)

lim_(x->oo)[x-log_e((e^x+e^(-x))/2)]= a) (log)_e4 b. 0 c. oo d. (log)_e2

The equation x = (e ^(t) + e ^(-t))/(2), y = (e ^(t) -e^(-t))/(2), t in R, represents

The equation x = (e ^(t) + e ^(-t))/(2), y = (e ^(t) -e^(-t))/(2), t in R, represents

lim_ (x rarr oo) (log_ (e) x) / (x)

The value of lim_(x->oo)((log)_e((log)_e x)/(e^(sqrt(x)))i s___________

Find (dy)/(dx), when x=(e^(t)+e^(-t))/(2) and y=(e^(t)-e^(-t))/(2)

The locus of the moving point whose coordinates are given by (e^t+e^(-t),e^t-e^(-t)) where t is a parameter, is x y=1 (b) x+y=2 x^2-y^2=4 (d) x^2-y^2=2

The locus of the moving point whose coordinates are given by (e^t+e^(-t),e^t-e^(-t)) where t is a parameter, is x y=1 (b) x+y=2 x^2-y^2=4 (d) x^2-y^2=2