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Maclaurin’s series expansion of cosx is ______?

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Maclaurin’s series expansion of cosx is ______? Answer: cosx = 1 - x²/2!+x⁴/4!-x⁶/6! + ...

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.