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Mathematics, 14.01.2020 00:31 kbracey

(1 point) find a⋅b if |a| = 2, |b| = 4, and the angle between a and b is −π7 radians.

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(1 point) find a⋅b if |a| = 2, |b| = 4, and the angle between a and b is −π7 radians....

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