Mathematics, 15.05.2020 12:57 sashajayne8260

PLEASE ANSWER WILL GIVE BRAINLIEST. Given that cos(x)=9/√82 and tan(y)=1/2, and that angles x and y are both in Quadrant I, find the exact value of cos(x-y), in simplest radical form.

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PLEASE ANSWER WILL GIVE BRAINLIEST. Given that cos(x)=9/√82 and tan(y)=1/2, and that angles x and y...