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15-05-2021
Mathematics

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find the angles, θ<0<360, that satisfy the equation below, to the nearest 10th of a degree.

cos(θ)= -√7/5

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Аноним Аноним

15-05-2021

Answer:

[tex] \cos( \theta) = \frac{ - \sqrt{} 7}{5} \\ \theta = \cos {}^{ - 1} ( \frac{ \sqrt{} - 7}{5} ) \\ \theta = 58.1 \degree, \: 121.9 \degree, \: 238.1 \degree[/tex]

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