anonymous
  • anonymous
use the half angle formula to find the exact value of sin15
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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amistre64
  • amistre64
1 - cos(30) sqrt --------- = sin(30/2) 2
anonymous
  • anonymous
actually i can get more specific. im at ((2 sqrt3)/2)/(2) i need to simplify that. i was thinking 2- sqrt3/4 but does it go further?
amistre64
  • amistre64
since there is nothing left to "reduce" top to bottom; that should be it...

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anonymous
  • anonymous
WOOT! lol thanks! the last example you helped with really laid it out. i just wanted to make sure there wasn't some algebra that i wasn't seeing.
amistre64
  • amistre64
:) confidence.... have some confidence :)

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