tan181^(@)tan182^(@)tan183^(@)dots tan267^(@)tan268^(@)tan269^(@)=1

tan181^(0)tan182^(@)tan183^(@)dots tan267^(0)tan268^(@)tan269^(@)=1

Show that, tan 181^(@) tan182^(@) tan 183^(@).....tan 267^(@) tan 268^(@) tan 269^(@) = 1 .

Prove that : tan1^(@)tan11^(@)tan21^(@)tan69^(@)tan79^(@)tan89^(@)=1

Prove that, tan25^(@).tan15^(@)+tan15^(@)tan50^(@)+tan25^(@)tan50^(@)=1 .

Prove that, tan 1^(@) tan 2^(@) tan 3^(@).....tan 87^(@) tan 88^(@) tan 89^(@) = 1 .

tan10^(@) tan 20^(@) tan 30^(@) tan 40^(@) tan 50^(@) tan 60^(@) tan 70^(@) tan 80^(@)=

tan 10^(@)*tan20^(@)*tan30^(@)*tan40^(@)*tan50^(@)*tan60^@tan70^(@)*tan80^(@)=

If (tan46^(@)-tan1^(@)-1)(tan47^(@)-tan2^(@)-1)(tan48^(@)-tan30^(@)-1)...(tan89^(@)-tan44^(@)-1), then find the value of n.

Show that tan48^(@)tan16^(@)tan42^(@)tan74^(@)=1