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" 2."[" Find "],[" (i) "sin105^(@)+cos10...

" 2."[" Find "],[" (i) "sin105^(@)+cos105^(@)]

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

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

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

sin15^@+cos105^@=

Find the value of the following (i) sin105^(@)+cos105^(@)

cos 15^@+ cos 105^@ =?

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

Prove that sin 75^(@) - sin 15^(@) = cos 105^(@) + cos 15^(@)

Find the values of sin 105^@ and cos 105^@