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Mathematics, 25.02.2021 03:20 dmgcity

Please Help! For positive acute angles A and B, it is known that tan A=3/4 and sin B=20/29.
Find the value of cos(A – B) in simplest form.

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Please Help! For positive acute angles A and B, it is known that tan A=3/4 and sin B=20/29.
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