# Algebra II

posted by .

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

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

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 -

1
x − 3
≤
8
5x + 3

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