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Mathematics, 19.04.2021 23:50 Leslie8284

Given \sin A=\frac{5}{\sqrt{89}}sinA= 89
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5
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and that angle AA is in Quadrant I, find the exact value of \cos AcosA in simplest radical form using a rational denominator.

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Given \sin A=\frac{5}{\sqrt{89}}sinA= 89
​

5
​
and that angle AA is...

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