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LaddiusMaximus

  • 5 years ago

cosxsin^2x+cos^3x

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  1. myininaya
    • 5 years ago
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    simplify?

  2. myininaya
    • 5 years ago
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    cosx((sinx)^2+(cosx)^2)=cosx

  3. amistre64
    • 5 years ago
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    cos(x)(sin^2 + cos^2) cos(x)(1) = cos(x)

  4. myininaya
    • 5 years ago
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    no mistakes for the win!

  5. LaddiusMaximus
    • 5 years ago
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    lost. im so going to fail this quiz on tuesday.

  6. amistre64
    • 5 years ago
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    :)

  7. amistre64
    • 5 years ago
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    I got a trig test on....either mon or wed..cant recall

  8. LaddiusMaximus
    • 5 years ago
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    this class is being taught counterintuitive to the way I learn

  9. LaddiusMaximus
    • 5 years ago
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    start over from the beginning please.

  10. amistre64
    • 5 years ago
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    Trig is ALOT of memorizing; and after you learn it, it is useless cause they got calculators to tell you what the values are. All trig class does it lets you know HOW these things were creatd and maybe some useful tidbits with identities for later in calculus...

  11. LaddiusMaximus
    • 5 years ago
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    well i keep failing my tests and quizzes no matter how hard I try and its pissing me off.

  12. anonymous
    • 5 years ago
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    OK factor out a cosx so you have cosx(sin^2x + cos^2x) The most important trig identity is sin^2x + cos^2x = 1 so you substitue 1 for sin^2 + cos^2x and you get cos x(1) = cosx

  13. amistre64
    • 5 years ago
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    wish I could help there; but its like learning your times tables, practice, practice, practice....and then you still mess up sometimes :)

  14. myininaya
    • 5 years ago
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    time tables are fun!

  15. amistre64
    • 5 years ago
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    lol .... my daughter doesnt think so :)

  16. myininaya
    • 5 years ago
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    but trig is funner than time tables

  17. myininaya
    • 5 years ago
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    I like going in circles

  18. amistre64
    • 5 years ago
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    ....and surfing on waves :)

  19. myininaya
    • 5 years ago
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    and angles are cool too!

  20. amistre64
    • 5 years ago
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    I programmed me a Spirograph maker in Javascript; my kids think its "cool".

  21. LaddiusMaximus
    • 5 years ago
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    i wish I thought it was fun. I want to understand this so bad and its frusterating to fail....repeatedly

  22. amistre64
    • 5 years ago
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    Trig identities use alot of algebraic techniques to find solutions. And if you are weak in algebra.... then it will be tough. sorry....

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