marisaxr
marisaxr marisaxr
  • 23-03-2017
  • Mathematics
contestada

What is the cosine of 30?

What is the cosine of 30 class=

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anon358
anon358 anon358
  • 23-03-2017
The answer is A. sqrt3 / 2
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kkelizabeth2016
kkelizabeth2016 kkelizabeth2016
  • 23-03-2017
the correct answer is A
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