_expanding-cos6x-in-powers-of-cosx.jpg "Expanding cos(6x) in powers of cos(x) from rsj Video Screenshot Preview")
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⏲ Duration: 3 min 50 sec
✓ Published: 15-May-2013
✓ Published: 15-May-2013
Description:
Using trig identities expand cos(6x) in powers of cos(x).
Using trig identities expand cos(6x) in powers of cos(x).
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