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[" (ii) "(tan60^(@)-tan30^(@))/(1+tan60^...

[" (ii) "(tan60^(@)-tan30^(@))/(1+tan60^(@)*tan30^(@))=(1)/(sqrt(3))],[60^(@)=sin90^(@)],[30^(@)-1]

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(tan60^(@)-tan30^(@))/(1+tan60^(@)tan30^(@))=tan30

Evaluate (tan60^(@)-tan30^(@))/(1+tan60^(@)tan30^(@)) .

Evaluate (tan60^(@)-tan30^(@))/(1+tan60^(@)tan30^(@)) .

(tan 60^(@) - tan 30^(@))/(1 + tan 60^(@) tan 30^(@)) equal

Verify that sin60^(@)=(2tan 30^(@))/(1+tan^(2)30^(@))

Calculate : (tan60^(@)-tan30^(@))/(1+tan60^(@) tan30^(@))+cos60^(@) cos30^(@)+sin60^(@) sin 30^(@) .

Show that (tan 60^(@)-tan30^(@))/(1+tan 60^(@) tan 30^(@))= tan 30^(@) .

(sin30^(@)-sin90^(@)+2cos0^(@))/(tan30^(@)tan60^(@))

tan30^(@)*sec45^(@)+tan60^(@)*sec30^(@)

Verify that cos 60^(@)=(1-tan^(2)30^(@))/(1+tan^(2)30^(@))