Respuesta :

ranau1199

Answer:

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

Step-by-step explanation:

cos(-150)

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

rate my answer please

varo0552

Answer:

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

Step-by-step explanation:

hope this helps!

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