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[" 91."sin15^(@)+cos105^(@)=quad [MP]],[...

[" 91."sin15^(@)+cos105^(@)=quad [MP]],[" (A) "0],[" (B) "2sin15^(@)],[" (C) "cos15^(@)+sin15^(@)],[" (D) "sin15^(@)-cos15^(@)]

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sin105^(@)+cos105^(@)=

sin 15^(@) + cos 105 ^(@) =

cos15^(@)+cos105^(@)=

|["cos"15^(@), "sin"15^(@)], ["sin"15^(@), "cos"15^(@)]|=?

sin 15^(@) + cos 105 ^(@) = ............ A) 0 B) 2 sin 15 ^(@) C) cos 15^(@) + sin 15^(@) D) sin 15^(@) - cos 15^(@)

cos105^(@)+sin105^(@) = …………

Evalute |(cos 15^(@) sin 15^(@)),(sin 75^(@) cos 75^(@))|

Evaluate |(cos 15^(@),sin15^(@)),(sin75^(@),cos75^(@))|

Evaluate det[[cos15^(@),sin15^(@)sin75^(@),cos75^(@)]]