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linda

  • 5 years ago

3cos2theta-4cos^2theta+2=0. solve

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  1. anonymous
    • 5 years ago
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    hey im pretty sure i got this one. you're just solving for x using identities, right?

  2. Linda
    • 5 years ago
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    we r using substitutions to solve for diff. angle measures

  3. anonymous
    • 5 years ago
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    what do you mean by substitutions? i just used identites, which could be the same thing. i'm in trig now, so you might just be ahead of us. by i solved it...

  4. anonymous
    • 5 years ago
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    *but i solved it. do you want me to just go through what i did and see if thats what you're supposed to be doing?

  5. anonymous
    • 5 years ago
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    is it \[3\cos(2\theta)-4\cos^2(\theta) +2 =0 ?\]

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