" D.Find the ralue "g" tan "(-60^(@))" ."

Find the value of tan(-60^o)

Find the value of : tan30^(@)tan60^(@)

Find the value of : tan30^(@)tan60^(@)

Find the value of (tan60^(@)-tan30^(@))/(1+tan60^(@)tan30^(@))and tan30^(@). "what do you observe"?

Find the value of (tan30^(@)+tan60^(@))/(1-tan30^(@)tan60^(@)) and tan90^(@) , what do you observe ?

Find the value of (tan 30^(@))/(cot 60^(@)) .

Find the value of tan 60^@ geometrically

Find the vlaue of ( tan 60^(@) - tan 15 ^(@))/(1 + tan 60^(@)tan 15 ^(@))

Prove that tan A. (tan 60^(@) +A). Tan (60^(@)-A)=tan 3A and hence find the value of tan 6^(@) tan 42^(@) tan 66^(@) tan 78^(@) .

Find the value of (tan 60^@)/(sin 60^@ +cos 60^@) .