Please answer my question .q bo 4 d and e

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asked Jan 6, 2019 118k views

1 Answer

Frankin · Answer 1 · 2019-01-12T02:25:47+0000

4 (e)
sin^8 x - cos^8 x
= (sin^4 x + cos^4 x)(sin^4 x - cos^4 x)
= (sin^4 x + cos^4 x)(sin^2 x - cos^2x)(sin^2 x +cos^2 x)
= (sin^4x + cos^4 x)( sin^2 x- cos^2 x)

Sorry I cant do 4 (d).

Please answer my question .q bo 4 d and e

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