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Why Is Sec θ Called Sec θ?
Ever wondered where trigonometric names actually come from? Using a simple unit circle and a right-angled triangle, this dialogue shows that sec θ literally comes from the word “secant”—the line that cuts a circle at two points. Trigonometry isn’t random; its names are deeply geometric. ⚠️DISCLAIMER⚠️: This is not real audio ...
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