quegriffin3082 quegriffin3082
  • 01-09-2017
  • Mathematics
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Simplify the expression 16 − x2 as much as possible after substituting 4 sin θ for x. (assume 0° < θ < 90°.)

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Catya
Catya Catya
  • 10-09-2017
16 - (4*sinθ)^2
16 - 16*sinθ^2
16(1 - sinθ^2)
16*cosθ^2
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