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[" 1) "sin15^(@)+cos105^(@)=],[" (a) "0]...

[" 1) "sin15^(@)+cos105^(@)=],[" (a) "0],[" (c) "cos15^(@)+sin15^(@)quad " (li) "2sin15^(@)],[" (d) "sin15^(@)-cos15^(@)]

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

|["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^(@)

sin75^(@)-sin15^(@)=cos105^(@)+cos15^(@)

sin15^o +cos15^o is:

(cos 15^(@) + sin 15^(@))/(cos 15^(@) - sin 15^(@)) =

Evalute: "sin"15^(@) cos15^(@), "tan"15^(@)

Evaluate |["cos" 15^(@), "sin"15^(@)],["sin" 75^(@), "cos"75^(@)]|