highschoolmom2010
  • highschoolmom2010
solve for x using sin, cos, tan
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
highschoolmom2010
  • highschoolmom2010
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goformit100
  • goformit100
ues Pytha goras theorem, or use trigonometric identities directly..... Say what you prefer most ?
highschoolmom2010
  • highschoolmom2010
\[\sin 36=\frac{ 10 }{ x }\] \[(x*)\sin36=\frac{ 10 }{ x }(* X)\]

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highschoolmom2010
  • highschoolmom2010
thats as far as i have gotten
highschoolmom2010
  • highschoolmom2010
\[X \sin 36=10\]
ganeshie8
  • ganeshie8
\( (x*)\sin36=\frac{ 10 }{ \cancel{x} }(* \cancel{X}) \)
ganeshie8
  • ganeshie8
keep going, your target is x
highschoolmom2010
  • highschoolmom2010
how do i get x alone
highschoolmom2010
  • highschoolmom2010
do i divide by sin 36?
ganeshie8
  • ganeshie8
yes !
highschoolmom2010
  • highschoolmom2010
so \[x=\frac{ 10 }{ \sin 36 }\]
ganeshie8
  • ganeshie8
looks perfect !
highschoolmom2010
  • highschoolmom2010
17.01
highschoolmom2010
  • highschoolmom2010
or 17 approx
ganeshie8
  • ganeshie8
\(17 = \color{red}{\checkmark}\)
highschoolmom2010
  • highschoolmom2010
im unsure sometimes on how to do some steps ^^
ganeshie8
  • ganeshie8
you're doing great, takes lil practice thats all :)
phi
  • phi
you got to Xsin36=10 if the problem was x*2 = 10 you would know what to do: divide both sides by 2 the reason you are unsure of what to do is you are forgetting that sin36 is just a fancy way to write down a number. You can always divide both sides by a number.

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