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Show that 3(sinx-cosx)^(4)+6(sinx+cosx...

Show that `3(sinx-cosx)^(4)+6(sinx+cosx)^(2)+4(sin^(6)x+cos^(6)x)=13`

A

11

B

12

C

13

D

14

Text Solution

Verified by Experts

The correct Answer is:
C
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