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Prove the trigonometric identity. secx sinx/ tanx+cosx=sin^2x

 

 Nov 29, 2020
 #1
avatar+116126 
+2

1/ cosx * sin x

______________________

sin x / cos x  + cosx / sinx

 

 

sin x/ cos x

________________

sin^2 x         cos^2x

________ +_________

sinxcosx       sinxcos x

 

 

sin x/cos x

____________

sin^2 x + cos^2x

______________

sin x cos x

 

 

sinx / cos x

___________

         1

  _________

   sin x cos x

 

 

 

sinx / cos x   *   sin x cos x

 

 

cool cool cool

 Nov 30, 2020
 #2
avatar+133 
0

Thank you so much CPhill! :)

Spring  Nov 30, 2020

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