anonymous
  • anonymous
WILL MEDAL If cosine of x equals 1 over 2, what is sin(x) and tan(x)? PLEASE explain your steps.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Nnesha
  • Nnesha
\[\rm sin \rm \theta = \frac{ opposite }{ hypotenuse }~~~~ \cos \theta = \frac{ adjacent }{ hypotenuse } ~~\tan \theta = \frac{ opposite }{ adjacent }\]
Nnesha
  • Nnesha
|dw:1440018006585:dw| cos =adjacent over hyp so write that and then apply Pythagorean theorem to find 3rd side of right triangle .
anonymous
  • anonymous
tan=?/1 sin=?/2

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anonymous
  • anonymous
1^2+2^2=c^2?
Nnesha
  • Nnesha
|dw:1440018264815:dw|
Nnesha
  • Nnesha
no c = hypotenuse longest side
Nnesha
  • Nnesha
which is 2 in this equation
anonymous
  • anonymous
\[c=\sqrt{5}?\]
Nnesha
  • Nnesha
looks good.
anonymous
  • anonymous
So the answer is Sin = sqrt(5)/2 and tan = sqrt(5)/1
Nnesha
  • Nnesha
yes right :)
anonymous
  • anonymous
Thank you! :D
Nnesha
  • Nnesha
my pleasure o^_^o

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