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anonymous

  • one year ago

NEED HELP ON THREE SIMPLE TRIG PROBLEMS, I WILL FAN AND GIVE MEDAL

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @Mertsj

  3. Mertsj
    • one year ago
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    cos pi/3 = 1/2 cos 5pi/3 = 1/2

  4. Mertsj
    • one year ago
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    cos - pi/3 = 1/2

  5. Mertsj
    • one year ago
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    cos 7pi/3=1/2 cos 11pi/3=1/2

  6. DanJS
    • one year ago
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    study the unit circle, the coordinates are (x,y) = (cos(angle), sin(angle))

  7. Mertsj
    • one year ago
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    But 11pi/3 is outside the given domain so scratch that one.

  8. anonymous
    • one year ago
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    ok, which problem are we studying?

  9. DanJS
    • one year ago
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    here is number 1, since it tells you to just look at the graph

  10. anonymous
    • one year ago
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    wait

  11. DanJS
    • one year ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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