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Engenharia Eletrônica ·

Circuitos Elétricos 2

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Basic identities cosx cosy 12cosx y cosx y sinx siny 12cosx y cosx y sinx cosy 12sinx y sinx y cosx y cosx cosy sinx cosy sinx y sinx cosy cosx siny cosx π2 sinx sinx π2 cosx sintan1x x1x2 costan1x 11x2 tanx sinxcosx tan1x x tan1x cos2x 121 cos2x sin2x 121 cos2x Rectangular and polar forms r cosx ϕ r cosϕ cosx r sinϕ sinx a cosx b sinx a r cosϕ b r sinϕ r a2 b2 ϕ tan1ba Eulers formulas cosx 12expjx expjx sinx 12jexpjx expjx expjx cosx j sinx expjπ 1