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Plz Help!! The exact value of sin 255 degree is a) (-sqrt3-1) / (2sqrt2) b) (sqrt 3+1) / (2sqrt2) c) (-sqrt3+1) / (2sqrt2) d) (sqrt3-1) / (2sqrt2)

Plz Help!! The exact value of sin 255 degree is a) (-sqrt3-1) / (2sqrt2) b) (sqrt 3+1) / (2sqrt2) c) (-sqrt3+1) / (2sqrt2) d) (sqrt3-1) / (2sqrt2)
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Plz Help!! The exact value of sin 255 degree is

a) (-sqrt3-1) / (2sqrt2)
b) (sqrt 3+1) / (2sqrt2)
c) (-sqrt3+1) / (2sqrt2)
d) (sqrt3-1) / (2sqrt2)

User Aso Strife
by
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1 Answer

7 votes
A.


(- √(3) -1)/(2 √(2) )
User Lars Pellarin
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