anonymous
  • anonymous
Find the exact value of the trigonometric function. sin 315°
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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anonymous
  • anonymous
isnt the answer \[-1/\sqrt{2}\]
anonymous
  • anonymous
or \[-1\sqrt{2}/2\]
anonymous
  • anonymous
-rt(2)/2

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anonymous
  • anonymous
-rt(2)/2??? im lost. im sorry my teacher never said anything about that
anonymous
  • anonymous
same as ur ans ....
anonymous
  • anonymous
−1/√2
anonymous
  • anonymous
??? that
anonymous
  • anonymous
|dw:1378102072526:dw|
anonymous
  • anonymous
ok yeah thats what i thought. the sign can only be on the top right? its never suppose to be on the bottom.
anonymous
  • anonymous
yaa... hope u r clear ...
anonymous
  • anonymous
yeah that makes so much sense.
anonymous
  • anonymous
thank you darling.
anonymous
  • anonymous
4th quadrant so sin is neg. this is 45 deg angle so \[\sin 315^{\circ} = -\frac{ \sqrt{2} }{ 2 }\]
anonymous
  • anonymous
ur welcome
anonymous
  • anonymous
top, bottom, middle is all the same... just a negative number
anonymous
  • anonymous
315 = 360-45 then sine315=-sine 45=-1/√2

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