Application of DerivativeHard
Question
The equation of one of the tangents to the curve y = cos (x + y), − 2π ≤ x ≤ 2π , that is parallel to the line x + 2y = 0 is-
Options
A.x + 2y − 1 = 0
B.2x + 4y = π
C.x − 2y + 1 = 0
D.4x − 8y + π = 0
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