Calculate the value of following :- `{:((a)cos75^(@)"",(b)sin15^(@)),((c)sin75^(@)"",(d)cos105^(@)):}`
Calculate the value of following :-
`{:((a)cos75^(@)"",(b)sin15^(@)),((c)sin75^(@)"",(d)cos105^(@)):}`
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Correct Answer - (a) `cos 75^(@)=(sqrt(3)-1)/(2sqrt(2))` (b) sin `15^(@)=(sqrt(3)-1)/(2sqrt(2))`
(c ) `sin 75^(@)=(sqrt(3)+1)/(2sqrt(2))`
`(d) cos 105^(@)=-((sqrt(3)-1)/(2sqrt(2))) " or "(1-sqrt(3))/(2sqrt(2))`
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