+0  
 
0
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avatar+771 

\(sin^4x-sin^2xcos^2x-2cos^4x\)

AdamTaurus  Mar 29, 2018
 #1
avatar+92843 
+1

sin^4x  - sin^2xcos^2x  -cos^4x

 

sin^4x  -  (1 - cos^2x)cos^2x - cos^4x

 

sin^4x - cos^2x + cos^4x - cos^4x

 

sin^4x  - cos^2x

 

Note :  other answers may be acceptable....!!!

 

 

cool cool cool

CPhill  Mar 30, 2018
 #2
avatar+771 
0

Hey CPhill. Thanks for the answer, but you accidentally dropped the 2 on the cos4x.

AdamTaurus  Mar 30, 2018

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