Mathematics, 16.04.2021 20:50, alexmiranda00

For positive acute angles A and B, it is known that cos(a)= 9/41 & tan(b)= 21/20. Find the value of sin(a+b) in its simplest form.

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For positive acute angles A and B, it is known that cos(a)= 9/41 & tan(b)= 21/20. Find the value...