anonymous
  • anonymous
sin2xcosx+cos2xsinx=1/2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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tpaulus
  • tpaulus
http://www.wolframalpha.com/input/?t=crmtb01&f=ob&i=sin2xcosx%2Bcos2xsinx%3D1%2F2
Loser66
  • Loser66
@xxaznben wolframalpha doesn't help you on tests, right? try to do it by hand, please. you have to prove it or solve for x?
tpaulus
  • tpaulus
Use you cosine and sine double angle identities!

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Loser66
  • Loser66
@tpaulus ok, show him, please. few steps still help
Loser66
  • Loser66
warning: you don't know sin 2x or sin^2 x, have to confirm that first

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