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aussy123

  • 2 years ago

secθ/cosθ can not be written as 1/cos2Θ cos2Θ sec2Θ -----> I know it can be written as this, but Im not sure about the other two

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  1. Hope_nicole
    • 2 years ago
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    im pretty sure its the first one

  2. aussy123
    • 2 years ago
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    I thought that too, but my friend said it was wrong.

  3. Hope_nicole
    • 2 years ago
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    well sec is 1/cos and cos is cos/1 so i dont see how cos can end up in the denominator..

  4. aussy123
    • 2 years ago
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    Ill get another opinion too @hartnn

  5. aussy123
    • 2 years ago
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    Thats exactly what I said but she confused me

  6. Hope_nicole
    • 2 years ago
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    smart choice, sorry i cant help better :/ all i know is that sec is 1/cos and cos is cos over 1 so technically they would cancel each other out..

  7. aussy123
    • 2 years ago
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    Thanks Ill try that one anyway!! :)

  8. Hope_nicole
    • 2 years ago
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    haha good plan :) just dont blame me if its wrong!

  9. aussy123
    • 2 years ago
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    okay lol

  10. aussy123
    • 2 years ago
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    Haha it was wrong, but its all good, I still made a 90.9 grade, That was the only answer I had wrong. Thank you for your time and consideration :)

  11. Hope_nicole
    • 2 years ago
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    awhh im sorry! which one was it then, haha. Anytime, just message me or mention me in a question you have and ill be happy to help :)

  12. hartnn
    • 2 years ago
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    sec x = 1/ cos x .....so. cos x =1/sec x also sec x /(1/sec x ) = sec^2 x and (1/cos x)/cos x = 1/cos^2 x so, it can be written as sec^2 x or 1/cos^2 x but not cos^2 x i know it doesn't affect your score now, but i wanted you to know the standard relation, sec x=1/cos x

  13. aussy123
    • 2 years ago
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    Thank You! @hartnn

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