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Posted by on Sunday, April 6, 2008 at 9:51am.

1) Find the exact value of cos theta if the terminal side of theta in standard position contains the point (6,-8).

Answer: 3/5

2) Find the exact value of sin(-pi/6).

Answer: -1/2

Thanks

  • Algebra II - , Sunday, April 6, 2008 at 10:51am

    both are correct

  • Algebra II - , Monday, July 7, 2008 at 4:14pm

    which angle is coterminal with a -400┬░angle in standard position? A. 40 B. 80 C. 320 D. 400

  • Algebra II - , Thursday, November 19, 2009 at 9:48am

    to answer anonymous' ? i got C.320 the selection a.40 would only apply if it was a positive 400 angle instead of the negative

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