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Problems Calculus Functions of one variable. Continuity Continuous functions (general properties) Algebra Trigonometry Systems of trigonometric equations and inequalities

14–15 4.0

Solve the system of equations: $\begin{aligned} \sin y - \sin x & = x - y; & and \\ \sin y - \sin z & = z - y; & and \\ x - y + z & = π . \end{aligned}$