Number of tangents to the curve \( y=\cos (x+y) \), \( -2 \pi \leq x \leq 2 \pi \), that are par...

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Number of tangents to the curve \( y=\cos (x+y) \), \( -2 \pi \leq x \leq 2 \pi \), that are parallel to the line \( x+2 y=0 \) is
(A) one
(B) Zero
(C) tWo
(D) three
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