cot(1358^(@))+tan(3608^(@))=

Prove that: tan(-225^(@))cot(-405^(@))-tan(-765^(@))cot(675^(@))=0

Prove that tan 315^(@) cot ( -405^(@) ) + cot 495^(@) tan (-585^(@)) = 2

tan A+cot(180^(@)+A)+cot(90^(@)+A)+cot(360^(@)-A)=

The value of (cot54^(@))/(tan36^(@))+(tan20^(@))/(cot70^(@)) is

The value of (cot 54^(@))/(tan 36^(@)) + (tan 20^(@))/(cot 70^(@)) is

tan 585^(@) * cot 405^(@) + tan 675^(@) * cot 765^(@)=

(tan225^(@)-cot81^(@)cot69^(@))/(cot261^(@)+tan21^(@))

Find the value of (cot 25^(@)+cot 55^(@))/(tan 25^(@)+tan55^(@))+(cot 55^(@)+cot 100^(@))/(tan 55^(@)+tan 100^(@))+(cot 100^(@)+cot 25^(@))/(tan 100^(@)+tan 25^(@))

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