Mathematics, 31.08.2020 02:01 taliajohnsom8362

Let AA and BB be acute angles such that sinA=810sinA=810 and cosB=817cosB=817. Enter the exact value of cos(A+B)cos(A+B) as a fraction in reduced form. cos(A+B)=cosA+B=

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Let AA and BB be acute angles such that sinA=810sinA=810 and cosB=817cosB=817. Enter the exact value...

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