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Physics LibreTexts

10.4: Mathematical Formulas - Trigonometry

( \newcommand{\kernel}{\mathrm{null}\,}\)

ejθ=cosθ+jsinθ

cosθ=12(ejθ+ejθ)

sinθ=1j2(ejθejθ)

cos2θ=12+12cos2θ

sin2θ=1212cos2θ


This page titled 10.4: Mathematical Formulas - Trigonometry is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Steven W. Ellingson (Virginia Tech Libraries' Open Education Initiative) .

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