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imqwerty

  • one year ago

Sin(20)(4+sec(20)) value?

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  1. butterflydreamer
    • one year ago
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    have you tried or started yet? :)

  2. butterflydreamer
    • one year ago
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    some helpful hints that you'll need to use: \[\sec 20 = \frac{ 1 }{ \cos20 }\] You'll probably also need to use this one: \[\sin2x = 2sinxcosx \rightarrow 2\sin2x = 4sinxcosx\] Lastly, recall that you'll be using exact values here so you'll need this: |dw:1436160583596:dw|

  3. imqwerty
    • one year ago
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    :) Thanks a lot, I was doing aa very silly mistake while solving it.

  4. butterflydreamer
    • one year ago
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    nooo problem :)!

  5. imqwerty
    • one year ago
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    My gonna post an awesome question. Wait..

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