anonymous
  • anonymous
If the sin 60° = square root of three over two, then which statement is true?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
cos 30° = square root of three over two, because the cosine and sine are complements cos 120° = square root of three over two, because the cosine and sine are supplements cos 30° = 0, because the cosine and sine are complements cos 120° = 0, because the cosine and sine are supplements
baru
  • baru
sin and cos are complemntary which means \(cos(\theta) = sin(90-\theta) \)
baru
  • baru
so which do u think the answer is?

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anonymous
  • anonymous
don't quite understand
baru
  • baru
just substitute \( \theta=60^0 \) and see what u get
baru
  • baru
* substitute in the formula i gave
anonymous
  • anonymous
so cos 30=0
anonymous
  • anonymous
is that right or is it cos 30= sr3/2
baru
  • baru
did u try substituting in the formula like i said?
anonymous
  • anonymous
yes i did i think the answer is a, cos 30= sr3/2 i that right?
baru
  • baru
yes
baru
  • baru
i hope u understood why thats the right answer :)
anonymous
  • anonymous
yes i do thank you

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