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[" हल : पृष्ठ "182" पर,प्रशन "18" दखा "]...

[" हल : पृष्ठ "182" पर,प्रशन "18" दखा "],[" 11."sin60^(@).cos30^(@)+sin30^(@).cos60^(@)" का मान ज्ञात "]

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

find the value of sin60^(@)cos30^(@)+sin30^(@)cos60^(@)

Evalutate : sin60^(@) cos 30^(@)+sin30^(@)cos 30^(@) .

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

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

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

Evaluate the following : sin60^(@)cos30^(@)+sin30^(@)cos60^(@)

Prove that : cos30^(@).cos60^(@)-sin30^(@).sin60^(@)=0

Prove that : cos30^(@).cos60^(@)-sin30^(@).sin60^(@)=0