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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)

Sagot :

Since3122015
A.

[tex] \frac{- \sqrt{3} -1}{2 \sqrt{2} } [/tex]
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