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jojokiw3

  • one year ago

Can someone explain to me why this certain answer is the answer to this question?

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  1. jojokiw3
    • one year ago
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    The question is express sec (alpha) in terms of a & b. |dw:1444128697812:dw|

  2. jojokiw3
    • one year ago
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    The answer is \[\sec \alpha = \frac{ \sqrt{a^2 - b^2} }{ b }\]

  3. jojokiw3
    • one year ago
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    Wait I think I have it, but I'm not sure. \[\sec \alpha = \frac{ hypotenuse }{ adjacent }\] and \[hypotenuse = \sqrt{a^2 + b^2} \] and \[adjacent = b\]

  4. jojokiw3
    • one year ago
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    Oh god I'm stupid.

  5. jojokiw3
    • one year ago
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    Haha sorry for wasting all of you guys' time. o.o

  6. ganeshie8
    • one year ago
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    you're not stupid, you have figured it out on ur own !

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