(tan225^(@)-cot81^(0)*cot69^(@))/(cot261^(0)+tan21^(0))=

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

(tan25^(@)-cot81^(@)cot69^(@))/(cot216^(@)+tan21^(0))=

(Tan225^(@)-Cot81^(@).Cot69^(@))/(Cot261^(@)+Tan21^(@))=

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

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

cot16^(0)cot44^(0)+cot44^(0)cot76^(0)-cot76^(0)cot16^(0)

The value of (tan55^(@))/(cot35^(@))+cot1^(0)cot2^(0)cot3^(0)...cot90^(@), is -2 (b) 2(c)1(d)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^(@))

(tan40^(@)+tan20^(@))/(tan225^(@)-cot50^(@)cot70^(@))=(i)sqrt(3)(ii)(1)/(sqrt(3))(iii)1(iv)0

If cot 20^@=p then (tan16 0^(@)-tan11 0^(@))/(1+tan16 0^(@)tan11 0^(@))=