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(sin60^(@)cos30^(@)+cos60^(@)sin30^(@)...

(sin60^(@)cos30^(@)+cos60^(@)sin30^(@)

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Evaluate : cos60^(@)cos30^(@)+ sin 60^(@)sin30^(@)

sin60^(@).cos30^(@)+cos30^(@)*sin60^(@)

If sin x = sin 60^(@) cos 30^(@)- cos 60^(@) sin 30^(@) , then the value of x is

The value of cos60^(@)cos30^(@)-sin60^(@)sin30^(@) is equal is…………..

If it right to say cos(60^(@)+30^(@))=cos60^(@)cos30^(@)-sin60^(@)sin30^(@)

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

Evaluate each of the following : cos60^(@)cos30^(@)-sin60^(@)sin30^(@)

Find x:sin 2x = sin 60^(@) cos 30^(@) - cos 60^(@) sin 30^(@) .