Mathematics, 01.09.2020 21:01 Theyoungin420

Stuck pls help :( The addition formula for cosine is shown below. cos(A+B)=cosAcosB–sinAsinB Let A and B be acute angles such that sinA=810 and cosB=817. Enter the exact value of cos(A+B) as a fraction in reduced form. cos(A+B)=

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Stuck pls help :( The addition formula for cosine is shown below. cos(A+B)=cosAcosB–sinAsinB Let A a...

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