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8 November, 13:22

Which function is even? Check all that apply.

D A. y=cos x

O B. y=sec x

o C. y=cscx

O D. y=sin x

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Answers (1)
  1. 8 November, 17:03
    0
    im pretty sure its

    (A) y=cos x

    (B) y=sec x
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