anonymous
  • anonymous
sinx=-1/4 find x without a calculator. confused because cant use special triangles 0_0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
are you allowed to use rock paper and scissors?
anonymous
  • anonymous
haha what? =/
amistre64
  • amistre64
what are you "allowed" to use

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anonymous
  • anonymous
well the unit circle and special triangles i guess. this is a question i found online though.. so it does require a calculator?
amistre64
  • amistre64
most trig function require a table or calculator simply becasue they tend to be irrational values
anonymous
  • anonymous
allright, thanks :)
amistre64
  • amistre64
if you can thin of 2 angles that add or subtract or otherside to get 1/4 it might be easier to figure tho
amistre64
  • amistre64
or otherwise ....
anonymous
  • anonymous
I think you can graph sine and see where x=-1/4
amistre64
  • amistre64
compass and ruler :)
amistre64
  • amistre64
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anonymous
  • anonymous
during tests, you only get the exam and your pencil. so im assuming they wont ask this type of question
amistre64
  • amistre64
hopefully note, or else you better get real good at finding roots of infinitely long polynomials

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