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

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

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Evaluate : |{:(cos15^(@) sin 15^(@) ),(sin 75^(@) cos 75^(@)):}| .

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

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

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

Evaluate: |[cos15^@ sin15^@],[sin75^@cos75^@]| .

cos15^(@)-cos75^(@)=

Show that |[cos 15^@ sin 15^@],[sin 75^@ cos 75^@]| =0

sin 75^(@) + sin 15^(@) =

cos 15^(@) - cos 75^(@) =

Evaulate |{:(cos15^@,sin 15^@),(sin75^@,cos 75^@):}|