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3psilon

  • 3 years ago

tanx = -1 . What is X . How do you find X with tan . I have forgotten this from trig

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  1. Brittni0605
    • 3 years ago
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    arctan of -1 equals x

  2. 3psilon
    • 3 years ago
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    How would you do it to find the exact answer

  3. Brittni0605
    • 3 years ago
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    break tan up using cos and sin then evaluate

  4. 3psilon
    • 3 years ago
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    ?

  5. Brittni0605
    • 3 years ago
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    I answered you.

  6. Brittni0605
    • 3 years ago
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    |dw:1352938933841:dw|

  7. 3psilon
    • 3 years ago
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    What is x though?

  8. Brittni0605
    • 3 years ago
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    |dw:1352939039354:dw|

  9. 3psilon
    • 3 years ago
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    One more thing. How do you to arcsin and arccos without a calc?

  10. Brittni0605
    • 3 years ago
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    arcsin of -1 is just asking what degree has a sin value of -1.

  11. Brittni0605
    • 3 years ago
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    so arcsin of -1 is 3pi/2

  12. 3psilon
    • 3 years ago
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    Ohhh okay cool! Thank you

  13. Brittni0605
    • 3 years ago
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    You're welcome.

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