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28 July, 15:05

Which expression is not equivalent to cos 150°

A) sin 240 degrees

B) cos 210 degrees

C) cos 60 degrees

D) - sin 60 degrees

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Answers (1)
  1. 28 July, 16:32
    0
    cos 60° isn't equivalent

    Step-by-step explanation:

    cos 60°=1/2
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