Find the value of log `tan1^0logtan2^0...........logtan89^0`

Find the value of log_(10)0.001

Find the value of tan(tan^(-1)(-0.2021))

Show that tan1^0tan2^0.....tan89^0=1

Find the value of log" " tan 1^(@) log" " tan 2^(@) … log" " tan 89^(@) .

Find the value of sqrt((log_(0.5)4)^(2)) .

Find the value of log_(2) (1/(7^(log_(7) 0.125))) .

The value of tan 1^(@)tan2^(@)tan^(@) . . .tan89^(@) =

Find the value of (cot25^0+cot55^0)/(tan25^0+tan55^0)+(cot55^0+cot100^0)/(tan55^0+tan100^0)+(cot100^0+cot25^0)/(tan100^0+tan25^0)