`(tan8 0^(@)-tan1 0^(@))/tan70^(@) `

(tan80^(@)-tan10^(@))/(tan70^(@))

(tan80^(@)-tan10^(@))/(tan70^(@))=k, then k=?

tan100^(@)+2tan70^(@)=

tan10^(@)-tan50^(@)+tan70^(@)=?

tan10^(@)-tan50^(@)+tan70^(@)

The value of (tan70^(@)-tan20^(@))/(tan50^(@))=

The value of (tan 70^(@) - tan 20^(@))/( tan 50^(@))=

If A+B=(pi)/(2)rArr Tan A Tan B=1 , rArr Tan(A-B)=(tan A-tan B)/(1+tan A tan B)=(tan A-tan B)/(2) , rArr tan A=tan B+2tan(A-B) , (tan40^(@)+2tan10^(@))*(tan70^(@)-Tan20^(@))=

The value of tan10^(@)tan50^(@)tan70^(@) is