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sin^2""105^(@)+cos^2""105^(@)=………….....

`sin^2""105^(@)+cos^2""105^(@)`=…………..

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105^(2)

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

sin15^(@)+cos105^(@)=?

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

cos105^(@)+sin105^(@) = …………

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

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

cos 15^@+ cos 105^@ =?

Prove that : (i) "sin"105^(@)+cos105^(@)=(1)/(sqrt(2)) (ii) cos105^(@)+cos15^(@)="sin"75^(@)-"sin"15^(@)

sin 105^(@) + cos 105^(@) = cos theta, then theta =