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Sines And Cosines


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16:42 - Trigonometria básica seno cosseno (basic trigonometry: sine, cosine and tangent)
Загружено 28 марта 2019
Entenda bem os conceitos básicos da trigonometria, com exemplos sobre determinação de catetos usando cosseno e tangente
31:30 - 15. Graphs of Sine and Cosine Functions
Загружено 14 сентября 2017
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28:9 - Sines and Cosines. Part 1 of 3
Загружено 15 февраля 2012
Applying the concept of similarities, the mathematical principles of circular motion and sine and cosine waves are presented utilizing both film footage and computer animation in this 'Project Mathematics' series video. Concepts presented include: the symmetry of sine waves; the cosine (complementary sine) and cosine waves; the use of sines and cosines on coordinate systems; the relationship they have to each other; the definitions and uses of periodic waves, square waves, sawtooth waves; the Gibbs phenomena; the use of sines and cosines as ratios; and the terminology related to sines and cosines (frequency, overtone, octave, intensity, and amplitude).




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