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anonymous

  • 5 years ago

cos105 cos75 - sin105 sin75

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  1. anonymous
    • 5 years ago
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    this is simple. just calculate it as is, on the graphing calculator, and hit equal. thats the answer

  2. anonymous
    • 5 years ago
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    i have to do it out by hand

  3. anonymous
    • 5 years ago
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    you would need a table to do it by hand

  4. anonymous
    • 5 years ago
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    oh! right! the z table right? well, you cant do it by hand, just wanted to let you know that. but you dont know how to use the z chart?

  5. anonymous
    • 5 years ago
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    what about sin 75 cos 75

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spraguer (Moderator)
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