racheltorres209 racheltorres209

26-03-2024
Mathematics

contestada

Differentiate y = (1 + sin(x)) / (1 - cos(x)).
A. -1
B. -2csc(x)sec(x)
C. 2csc(x)sec(x)
D. (-sin(x) + cos(x) - 1) / (1 - cos(x))²

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