anonymous
  • anonymous
Trig Identity
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
\[\huge \frac{ 1 }{ \frac{ 1 }{ cosx }+\frac{ sinx }{ cosx } }= \frac{ 1 }{ cosx }-\frac{ sinx }{ cosx }\]
anonymous
  • anonymous
simplify both left and right sides into 1 fraction... that's 1 way you can prove the left side is the same as the right side.
anonymous
  • anonymous
to get rid of the fraction over fraction, would this method be correct ? \[\huge \frac{ 1 }{ \frac{ 1 }{ cosx }+\frac{ sinx }{ cosx } }\]

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anonymous
  • anonymous
\[\huge =\frac{ \cos^2x }{ \cos^2x }\]

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