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Mathematics, 28.04.2021 18:40 lestessanders02

And cos B= For positive acute angles A and B, it is known that sin A= 11/61 and cos b= 9/41
Find the value of cos(A – B) in simplest form.

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And cos B= For positive acute angles A and B, it is known that sin A= 11/61 and cos b= 9/41
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