tan315^(@)cot(-405^(@))+cot495^(@)tan(-585^(@))-:2^(@)

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

Find the value of tan 315^o cot(-405^o)+cot495^o tan(-585^o)

The value of tan 315^∘ cot(-405^∘) + cot 495^∘tan(-585^∘) is ?

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

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

tan225^(@)cot405^(@)+tan765^(@)cot675^(@)=0

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^(@))

Evaluate each of the following: cot12^(@)cot38^(@)cot52^(@)cot60^(@)cot78^(@)tan5^(@)tan25^(@)tan30^(@)tan65^(@)tan85^(@)

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