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anonymous

  • one year ago

Find the measures of two angles, one positive and one negative, that are coterminal with pi/2

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  1. DanJS
    • one year ago
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    Start on the +x axis as zero

  2. DanJS
    • one year ago
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    |dw:1437889349182:dw|

  3. DanJS
    • one year ago
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    |dw:1437889417851:dw|

  4. DanJS
    • one year ago
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    Counter Clock wise is +

  5. anonymous
    • one year ago
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    would 3pi/2 be the positive coterminal angle?

  6. DanJS
    • one year ago
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    you want to end on pi/2 where the arrows are pointing, terminal side

  7. DanJS
    • one year ago
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    the trivial answer is +pi/2

  8. DanJS
    • one year ago
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    if allowed

  9. DanJS
    • one year ago
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    or yes, 2pi + pi/2, any multiple of 2pi added to pi/2

  10. anonymous
    • one year ago
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    well the answer choices are 3pi/2 ; - pi/2 pi/2 + 360degrees ; pi/2 - 360degrees 5pi/2 ; -pi/2 5pi/2 ; -3pi/2

  11. DanJS
    • one year ago
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    how large is the negative clockwise angle? only one choice has the right one

  12. DanJS
    • one year ago
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    -3pi/2 for the negative and pi/2 + 2pi = 5pi/2 for possitive

  13. anonymous
    • one year ago
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    im trying really hard to get it by myself but thank you so much for helping me with both of my questions!

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