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3 years ago

12

Find an exact value. Cosine of negative seven pi divided by twelve

2 answers:

Dmitrij [34]3 years ago

6 0

<span><span>−<span><span>7/12</span><span></span></span>+(cosı)ne

I hope this helps. :)
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valkas [14]3 years ago

3 0

Well π=180°
-7π/12=x
x=-7π*180°/12
=105°

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