swaggernas
05.05.2020 •
Mathematics
Suppose you love watching magic tricks performed with a deck of cards. The deck of cards is spread out in front of you in the shape of a fan.
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Ответ:
Length of the hypotenuse = sqrt (-1^2 + 3^2) = sqrt10
sine = 1/sqrt10 = 0.3162 to 4 dec places
tangent = 1 / -3 = -0.3333 to 4 d p's
cosine = -3/sqrt10 = -0.9487 to 4 d, p's.