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gjhfdfg

  • 3 years ago

Help me complete this identity?

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  1. gjhfdfg
    • 3 years ago
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    sin ( a + b ) / cos a cos b

  2. Fgcbear16
    • 3 years ago
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    |dw:1360612896526:dw|

  3. Fgcbear16
    • 3 years ago
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    is that what you needed or are you saying

  4. Fgcbear16
    • 3 years ago
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    |dw:1360612985267:dw|

  5. gjhfdfg
    • 3 years ago
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    The last one, \[\frac{ \sin ( a + b ) }{ \cos a \cos b }\]

  6. Fgcbear16
    • 3 years ago
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    so you need to simplify?

  7. Fgcbear16
    • 3 years ago
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    |dw:1360613311639:dw|

  8. Fgcbear16
    • 3 years ago
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    sin(a+b)=sinacosb + cosasinb so i replaced it

  9. gjhfdfg
    • 3 years ago
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    & then what do I do to that?

  10. Fgcbear16
    • 3 years ago
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    |dw:1360613737294:dw|

  11. Fgcbear16
    • 3 years ago
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    |dw:1360613941761:dw|

  12. Fgcbear16
    • 3 years ago
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    what is sina/cosa and sinb/cosb

  13. gjhfdfg
    • 3 years ago
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    Is it tan a + tan b?

  14. Fgcbear16
    • 3 years ago
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    yes!

  15. gjhfdfg
    • 3 years ago
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    Got it.!

  16. Fgcbear16
    • 3 years ago
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    I am happy to hear it!

  17. Fgcbear16
    • 3 years ago
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    ;)

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