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[" Show that: "],[" (i) "sin50^(@)cos85^...

[" Show that: "],[" (i) "sin50^(@)cos85^(@)=(1-sqrt(2)sin35^(@))/(2sqrt(2))]

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Show that: s in50^(0)cos85^(@)=(1-sqrt(2)sin35^(@))/(2sqrt(2))

Show that: s in50^(0)cos95^(0)=(1-sqrt(2)sin35^(@))/(2sqrt(2))

Show that: sin 50^0cos85^0=(1-sqrt(2)sin35^0)/(2sqrt(2))

Show that: sin 50^0cos95^0=(sqrt(2)sin35^0-1)/(2sqrt(2))

Show that sin 105^(@) + cos 105^(@) =(1)/(sqrt(2))

Show that : (1-sin60^(@))/(cos60^(@))=2-sqrt3 .

cos45^(@)cos60^(@)-sin45^(@)sin60^(@)=(sqrt(3)-1)/(2sqrt(2))

cos45^(@)cos60^(@)-sin45^(@)sin60^(@)=(sqrt(3-1))/(2sqrt(2))

Show that : sin 30^(@)=sqrt((1-cos60^(@))/(2))

Show that : sin 30^(@)=sqrt((1-cos60^(@))/(2))