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gjhfdfg Group Title

Help me complete this identity?

  • one year ago
  • one year ago

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  1. gjhfdfg Group Title
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    sin ( a + b ) / cos a cos b

    • one year ago
  2. Fgcbear16 Group Title
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    |dw:1360612896526:dw|

    • one year ago
  3. Fgcbear16 Group Title
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    is that what you needed or are you saying

    • one year ago
  4. Fgcbear16 Group Title
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    |dw:1360612985267:dw|

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

    • one year ago
  6. Fgcbear16 Group Title
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    so you need to simplify?

    • one year ago
  7. Fgcbear16 Group Title
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    |dw:1360613311639:dw|

    • one year ago
  8. Fgcbear16 Group Title
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    sin(a+b)=sinacosb + cosasinb so i replaced it

    • one year ago
  9. gjhfdfg Group Title
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    & then what do I do to that?

    • one year ago
  10. Fgcbear16 Group Title
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    |dw:1360613737294:dw|

    • one year ago
  11. Fgcbear16 Group Title
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    |dw:1360613941761:dw|

    • one year ago
  12. Fgcbear16 Group Title
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    what is sina/cosa and sinb/cosb

    • one year ago
  13. gjhfdfg Group Title
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    Is it tan a + tan b?

    • one year ago
  14. Fgcbear16 Group Title
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    yes!

    • one year ago
  15. gjhfdfg Group Title
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    Got it.!

    • one year ago
  16. Fgcbear16 Group Title
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    I am happy to hear it!

    • one year ago
  17. Fgcbear16 Group Title
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    ;)

    • one year ago
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