Algebra II

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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 -

    both are correct

  • Algebra II -

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

  • Algebra II -

    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

  • Algebra II -

    Solve the inequality. (Enter your answer using interval notation.)
    1
    x − 3
     ≤ 
    8
    5x + 3

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