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anonymous

  • one year ago

Solve: (cos Θ − cos Θ)^2 + (cos Θ + cos Θ)^2

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  1. Zale101
    • one year ago
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    (cos theta-cos theta)^2=0 ?

  2. campbell_st
    • one year ago
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    I would have thought the expression needs to equal something in order to solve it if you want to simplify it think of the problem as (x - x)^2 + (x + 2)^2 for me its 0^2 + (2x)^2

  3. campbell_st
    • one year ago
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    then just finish it

  4. anonymous
    • one year ago
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    I don't know; I've never seen this before the answer choices are funky too..

  5. anonymous
    • one year ago
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    sin^2 theta 4cos^2 theta 8 cos^2 theta

  6. campbell_st
    • one year ago
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    ok... so are you happy that (cos@ - cos@)^2 = 0

  7. anonymous
    • one year ago
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    the answer was 4cos^2 theta

  8. campbell_st
    • one year ago
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    it is

  9. anonymous
    • one year ago
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    ya

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