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the.paris.book

  • 2 years ago

how do you go from (2cos^2x+2sinx+2sin^2x)/cos^2 to (2+2sinx)/cos^2x

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  1. RolyPoly
    • 2 years ago
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    2cos^2x + 2sin^2x = 2(cos^2x + sin^2x) = 2(1) =2

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