Solve the equation O sin x O x= 1 2 There is no solution. T -+k.2π 6 x=-=+k. 2n +k. 2n 7+k 6 x = =+ k· 2n 3 T x=-=+k-2n 3 T x==+k. 2n 6 5π x = =+ k· 2π 6 k = 0,±1, ±2,... k = 0, ±1, ±2,... k = 0,±1,±2,...

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