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OpenStudy (anonymous):
multiple choice! In order for cos(x) =sin(x +h) h must equal a) 60º b) 45º c) 120º d) 90º
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OpenStudy (amistre64):
sin and cos are 90 degrees out of phase from each other.
OpenStudy (anonymous):
i dont understand what that means what so ever...just tell me the answer please!
OpenStudy (amistre64):
i just did :) I used the number in a sentence so that you could see it and everything :)
OpenStudy (amistre64):
in order for cos and sin to be equal to each other, sin has to shift by 90 degrees.
OpenStudy (anonymous):
OH i see..lol sorry
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OpenStudy (amistre64):
:) youll be fine :)
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