Word Count : 236

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The given function is: [ f(z) = \frac{z}{4\cos^2 z - 1}. ] --- Step 1: Find the zeros of (f(z)) Zeros occur when the numerator is zero: [ z = 0. ] Since (|z| \le 1), the only zero _____ ______ ____ ____ __________ _________.
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