anonymous
  • anonymous
Simplify the trigonometric expression? sin^2 θ/ (1 - cos θ)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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RadEn
  • RadEn
sin^2 θ = 1 - cos^2 θ
RadEn
  • RadEn
the use the difference square formula : a^2 - b^2 = (a+b)(a-b) so, sin^2 θ/ (1 - cos θ) = (1 - cos^2 θ)/ (1 - cos θ) = (1 + cos θ) (1 - cos θ)/ (1 - cos θ) cancel out the same term, and get ur answer
RadEn
  • RadEn
* then

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anonymous
  • anonymous
thank you very much! :)
RadEn
  • RadEn
wlcm

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