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17. How many solutions of the following equation exist on the interval [0, 2л)? cos(7x) = 0 o15 o14 ооооо None of the above27. How many solutions of the following equation exist on the interval (0, 2)? cos(820) = 0 There are 16 Vw solutions.

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メア Cof4-0 CoP7X コ0 then or 7x- 8ntリ iカ=0,さこさ2,さる, (20かり 二X ニX 14 3イ えこ T4 えこ5の のこ2 フイ 74 2イ りこ3 Xこ のこ4 Xこ の-5 135, Xこ/31 74 り3の のこ1 ニズ T6 のこ2 nン15 T6 of sofcefeon is 16 り0 Totap

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