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IloveCharlie

  • 2 years ago

Please help! cos67degrees 30'= ?

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  1. muhammad9t5
    • 2 years ago
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    0.890

  2. IloveCharlie
    • 2 years ago
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    Thanks!

  3. muhammad9t5
    • 2 years ago
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    You are welcome.

  4. IloveCharlie
    • 2 years ago
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    \[a. \sqrt{2-\sqrt{2}} \] \[b. \sqrt{2+\sqrt{2}}/2\] \[c. \sqrt{2+\sqrt{2}}\] \[d. \sqrt{2-\sqrt{2}}/2\] @muhammad9t5 Your answer doesn't match with the options :/

  5. muhammad9t5
    • 2 years ago
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    wait

  6. muhammad9t5
    • 2 years ago
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    can you post screenshot of question?

  7. IloveCharlie
    • 2 years ago
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    b. \[(\sqrt{2+\sqrt{2}})/2\] d. \[(\sqrt{2-\sqrt{2}})/2\]

  8. IloveCharlie
    • 2 years ago
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    Sorry, I messed those two up

  9. waterineyes
    • 2 years ago
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    \[67^{\circ} 30' = 67 + \frac{1}{2} \implies (\frac{135}{2})^{\circ}\]

  10. waterineyes
    • 2 years ago
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    Is there only one cos in your question @IloveCharlie

  11. muhammad9t5
    • 2 years ago
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    you can check that b is a nearly answer.

  12. IloveCharlie
    • 2 years ago
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    Yes, @waterineyes, only one cos

  13. IloveCharlie
    • 2 years ago
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    Can I get more help for this one? sin67degrees 30'= a., b., c., or d.?

  14. IloveCharlie
    • 2 years ago
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    @muhammad9t5 @waterineyes

  15. muhammad9t5
    • 2 years ago
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    yes

  16. muhammad9t5
    • 2 years ago
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    is the answer 1.42?

  17. IloveCharlie
    • 2 years ago
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    Can you please show me how you got that?

  18. muhammad9t5
    • 2 years ago
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    yes sin67+30/60 0.920+1/2 0.920+0.5=1.42

  19. IloveCharlie
    • 2 years ago
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    and that matches with? :/ sorry

  20. muhammad9t5
    • 2 years ago
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    that's confusing me too.

  21. IloveCharlie
    • 2 years ago
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    :(

  22. IloveCharlie
    • 2 years ago
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    Do you know what 1.42 matches with? a., b., c., or d.? I can't figure it out @waterineyes

  23. IloveCharlie
    • 2 years ago
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    ?

  24. IloveCharlie
    • 2 years ago
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    Ok... well... I guess I'll close the question then

  25. IloveCharlie
    • 2 years ago
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    Thanks guys

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