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Algebra 2 Honors

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Find all solutions if 0 degrees is less than or equal to x and x is less than 360 degrees.

2 sin^2(x)+ sin(x)=1

  • Algebra 2 Honors -

    hint:
    treat it like a quadratic.
    Some students like to change it using something like this:
    let sin(x) = y , then
    2y^2 + y - 1 = 0

    this one factors nicely, once you found y, sub that back into sinx

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