Number of solutions to the system of equations $sin \frac{x+y}{2}=0$ and $|x| + |y| = 1$
Number of solutions to the system of equations $sin \frac{x+y}{2}=0$ and $|x| + |y| = 1$
- A
$2$
- B
$3$
- C
$4$
- D
$6$
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