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Emily778

  • 3 years ago

PLEASE HELP Following answers: 39° 30° 26.57° 60°

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  1. Emily778
    • 3 years ago
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  2. geerky42
    • 3 years ago
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    7/14 = 1/2 Ring any bells?

  3. geerky42
    • 3 years ago
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    \[\theta = \cos^{-1}\left(\dfrac{1}{2}\right)\]\[\theta = \space ?\]

  4. geerky42
    • 3 years ago
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    Use unit circle. What is \(\theta\) when \(\cos\theta = \dfrac{1}{2}\) ?

  5. geerky42
    • 3 years ago
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    You got it?

  6. Emily778
    • 3 years ago
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    Is it B?

  7. geerky42
    • 3 years ago
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    None. It's true for sinθ= 1/2, but we want cosθ = 1/2.

  8. Emily778
    • 3 years ago
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    Those are the only answers available. I think you did it wrong...

  9. geerky42
    • 3 years ago
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    None. Look carefully.

  10. blurbendy
    • 3 years ago
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    cos 60 degrees= 1/2 or 7/14

  11. Emily778
    • 3 years ago
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    Look at the following answers.

  12. blurbendy
    • 3 years ago
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    I did...

  13. geerky42
    • 3 years ago
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    No, YOU look at the following answer. We want θ and blurbendy already gave you the answer.

  14. Emily778
    • 3 years ago
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    Go away. geerky42, or I'll report you.

  15. geerky42
    • 3 years ago
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    Ok... @blurbendy already gave you the answer. Seriously he did...

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