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सिद्ध करें कि [{:(cos15^(@), sin 15^(@))...

सिद्ध करें कि `[{:(cos15^(@), sin 15^(@)),(sin 75^(@), cos 75^(@)):}]=0`

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

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

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

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

Show that |{:(cos 15^@ ,sin 15^@),(sin 75^@,cos 75^@):}|=0

Show that {:|(cos15^@, sin15^@),(sin75^@, cos75^@)|:}= 0

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

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

Evaluate: |(cos15^@,sin15^@),(sin75^@,cos75^@)|

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