B.1: Trigonometry Last updated Save as PDF Page ID6377 Sun, 23 Dec 2018 05:52:52 GMTB.1: Trigonometry Contributed by Steven W. EllingsonAssociate Professor (Electrical and Computer Engineering) at Virginia Polytechnic & State UniversitySourced from Virginia Tech Libraries' Open Education Initiative [m0138_Trigonometry] & e^j = +j& &= ( e^j + e^-j ) & &= ( e^j - e^-j ) & ^2&= + 2& ^2&= - 2&
