10 À :: `/`(`*`(`+`(`*`(tg, `*`(x)), sqrt(3)), `*`(log[13](`+`(`*`(2, `*`(`^`(sin, 2), `*`(x))))))), `*`(log[31](`*`(sqrt(2), `*`(cos, `*`(x)))))) = 0  

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ÎÒÂÅÒ 

x = `+`(`-`(`*`(`/`(1, 3), `*`(Pi))), `*`(2, `*`(Pi, `*`(k)))), `in`(k, Z)