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|(sin^2theta,cos^2theta),(cos^2theta,sin...

`|(sin^2theta,cos^2theta),(cos^2theta,sin^2theta)|=`

A

`cos2theta`

B

`1/2(1+cos^2 2theta)`

C

`1/2(1+sin^2 2theta)`

D

`1/2sin^2 2theta`

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