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Mathematics, 20.04.2021 00:44 lainnn974

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


5

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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