From cos(x+y) to GenAI Hallucinations: Why Zero Trust Needs a “Progressive Refinement Loop”

1. A School Identity Hidden Inside a 1 Km Circular Field The other day, my son, Syon, was learning the angle-addition identity for cos⁡(x+y) and asked the familiar question that he always asks: where am I ever going to use this? Physics is one answer. Engineering is another. But there is a stranger answer too, and…

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