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cos 60^(@) cos 30^@ + sin 60^(@) sin 30^...

`cos 60^(@) cos 30^@ + sin 60^(@) sin 30^(@) ` को सरलतम रूप में परिकलित करो ।

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cos 60^(@) sin 30^(@) +cos 30^(@) sin 60^(@)=

sin 60 ^@ cos 30 ^@ + sin 30^ @ cos 60^@ = ?

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

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

co60^(@)sin30^(@)+cos30^(@)sin60^(@) =___.

sin 30^@ + cos 60^@ =………