Product tot som / verschil calculator |
COSX COZY = (1/2) [COS (X - Y) + COS (X + Y)]
SINX COZY = (1/2) [SIN (X + Y) + SIN (X - Y)]
COSX SINDY = (1/2) [SIN (X + Y) - SIN [(X - Y)]
SINX SINDY = (1/2) [COS (X - Y) - COS (X + Y)]
Bijvoorbeeld, wanneer u = 13 º, v = 17 º, zonde (13) zonde (17) = 0,065769, COS (13) COS (17) = 0.931795, zonde (13) COS (17) = 0,215122, COS (13 ) Zonde (17) = 0.284878.
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