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" Proor that: "(cos30^(@)+sin60^(@))/(1+...

" Proor that: "(cos30^(@)+sin60^(@))/(1+cos60^(@)+sin30^(@))=(sqrt(3))/(2)

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Prove that: (cos30^(@)+sin60^(0))/(1+cos60^(@)+sin30^(@))=(sqrt(3))/(2)

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

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

Prove that: (cos30^0+sin60^0)/(1+cos60^0+sin30^0)=(sqrt(3))/2

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

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

Prove that : sin60^(@)cos30^(@)+cos60^(@).sin30^(@)=1

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

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

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