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Thread: Requesting guidance on Algebra-2 problems

  1. #1
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    Question Requesting guidance on Algebra-2 problems

    Hello everyone.


    Attached are 2 pictures of the math i need help on. I already have the answer key. What I need are the steps/work. If you could post a picture with your steps written on paper that would be much appreciated. Even if you only know a few, anything helps.
    thank you,
    Peyton
    Requesting guidance on Algebra-2 problems-img_0218.jpgRequesting guidance on Algebra-2 problems-img_0219.jpg
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  2. #2
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    Re: Requesting guidance on Algebra-2 problems

    Hey peytonsharp.

    We don't give out working for people - we ask them to give an attempt and build on their answer instead of just doing their homework for them.
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  3. #3
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    Re: Requesting guidance on Algebra-2 problems

    If the "terminal side" crosses the unit circle at point (x, y) then cos(\theta)= x, sin(\theta)= y. Of course, tan(\theta)=\frac{sin(\theta)}{cos(\theta)}, cot(\theta)= \frac{cos(\theta)}{sin(\theta)}, sec(\theta)= \frac{1}{cos(\theta)}, and [tex]csc(\theta)= \frac{1}{sin(\theta)}[tex].

    "All values of \theta so the cos(\theta)= -\frac{\sqrt{2}}{2}." Since cosine is the x coordinate on the unit circle, where does the vertical line x= -\frac{\sqrt{2}}{2} cross the unit circle, x^2+ y^2= 1?

    Surely your text has a definition of "geometric sequence"?

    Problem 8 simply asks you to calculate (-1)^n(2n+ 9) for n= 1, 2, 3, 4, and 5.
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