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LaddiusMaximus

  • 5 years ago

(-1/sinx)-(-sinx)

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  1. amistre64
    • 5 years ago
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    -csc(x) + sin(x) ?? is that what we are looking for?

  2. LaddiusMaximus
    • 5 years ago
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    sorry I should put the whole thing. csc(-x)-sin(-x)=-cosxcotx

  3. LaddiusMaximus
    • 5 years ago
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    i just put the part where I was stuck

  4. amistre64
    • 5 years ago
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    I failed mind reading class :)

  5. myininaya
    • 5 years ago
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    combine the fractions

  6. anonymous
    • 5 years ago
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    = -(1-(sin x)^2)/ sin x = -(cos x)^2/sin x = -(cos x)

  7. myininaya
    • 5 years ago
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    -1/sinx+sinx*(sinx/sinx)

  8. myininaya
    • 5 years ago
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    =-(cosx)^2/sinx

  9. anonymous
    • 5 years ago
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    -(cos x)(cot x) sory.

  10. myininaya
    • 5 years ago
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    very good!

  11. amistre64
    • 5 years ago
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    you have to multiply both side by (-1) at some point....its helpful

  12. LaddiusMaximus
    • 5 years ago
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    you guys go too fast.

  13. LaddiusMaximus
    • 5 years ago
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    -1/sinx -(-sinx) becomes -1/sinx + 1/sinx ?

  14. myininaya
    • 5 years ago
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    -1/sinx+sin^x/sinx

  15. myininaya
    • 5 years ago
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    i missed my exponent 2

  16. LaddiusMaximus
    • 5 years ago
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    wait what?

  17. myininaya
    • 5 years ago
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    so we have (-1+(sinx)^2)/sinx

  18. LaddiusMaximus
    • 5 years ago
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    ok got that part so now what?

  19. myininaya
    • 5 years ago
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    (cosx)^2+(sinx)^2=1 so (cosx)^2=1-(sinx)^2 so -(cosx)^2=-1+(sinx)^2

  20. LaddiusMaximus
    • 5 years ago
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    so it becomes cos^2x/sinx?

  21. myininaya
    • 5 years ago
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    don't forget your negative sign

  22. LaddiusMaximus
    • 5 years ago
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    ok but how does that equal -cosxcotx?

  23. LaddiusMaximus
    • 5 years ago
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    oh never mind i see it

  24. myininaya
    • 5 years ago
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    ok

  25. LaddiusMaximus
    • 5 years ago
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    I hate this math program. Im trying to validate a line and it says im wrong.

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