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यदि A = 30^(@) , तो दिखाइए कि tan 2A =...

यदि `A = 30^(@)` , तो दिखाइए कि ` tan 2A = (2 tan A)/(1 - tan^(2) A)`

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If A =30^(@) ,then show that : tan2A=(2tanA)/(1-tan^(2)A)

If A =30^(@) ,then show that : tan2A=(2tanA)/(1-tan^(2)A)

(2tan30^(@))/(1-tan^(2)30^(@))

((2 tan 30^@)/(1-tan^2 30^@)) =?

(2 tan 30^(@))/(1 + tan^(2)30^(@)) =

(2 tan 30^(@))/(1 + tan^(2)30^(@)) =

( 2 tan 30° ) /( 1 + tan ^2 30 °) =