Sin4 theta -cos4 theta=1-2cos2 theta =2sin2 theta -1 prove it
Plz answer fast
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2
Answer:
please find the attachment
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![](https://hi-static.z-dn.net/files/db4/8ceb5973fa17b42d660a61d82bd2c263.jpg)
Answered by
0
Answer:
this is correct................
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![](https://hi-static.z-dn.net/files/ded/848e6fe09a60cd5f155bc6c963ebd32e.jpg)
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