Mathematics, 22.05.2021 22:40, que81hhh

For positive angles A and B, it is known that cos A= 4/5 and sin B= 28/53. Find the value of cos (A-B) in simplest form.

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For positive angles A and B, it is known that cos A= 4/5 and sin B= 28/53. Find the value of cos (A-B) in simplest form.​

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For positive angles A and B, it is known that cos A= 4/5 and sin B= 28/53. Find the value of cos (A-B) in simplest form.