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In need of help with these problems, can you please show work to know how it was done please and thank you

10. For the function (x) = 6sinx - 3 cos 2x on (0,2x) Find all critical numbers. You will want to recall the identity sin 2x=
0 0
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Answer #1

(10 м2 — = 6 Sjh -3 С) х м [9, 2л) fru) = 6 Chx – 3 (- 22 я, 2x) = 0 — 6 Со +6 6си м+6.2 Х и Си-о 6 Сли( 1+2 54 %) го Стико,lore² tunes ) I- s an x3 ) an = 5( + in this) .slo a dn tufa? du +5/x du =lo lo Intel tu22+1 -2+1 ts. -3th x -3+1 te 4 a 돐 5

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