How do you solve #lim_x->pi/4 (tanx-cotx)/(x-pi/4)# ?
L'Hospital Rule yields:
by L'Hospital rule, which states that: when you get an indeterminate form after assuming that
placing values of
you can find the value of the limit as now it is not in the indertiminate form
hope you find it helpful :)
Here is a Solution without use of the L'Hospital's Rule.
Please see below.
Solution without L'Hospital Rule :