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Mathematics, 25.06.2019 14:00 michaelwthms

What ia the value of cosθ given that (-2,9) is a point on the terminal side of θ ? a.  - \frac{9 \sqrt{85} }{85} b.  -\frac{2 \sqrt{85} }{85} c. \frac{9 \sqrt{85} }{85} d. \frac{2 \sqrt{85} }{85}

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What ia the value of cosθ given that (-2,9) is a point on the terminal side of θ ? a. [tex] - \frac{...
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