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timama [110]
3 years ago
11

What is the smallest whole number that will round to 80

Mathematics
1 answer:
Oxana [17]3 years ago
5 0
2? I think so if not I'm sorry
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Find sin (A-B) if sin A = 4/5 with A between 90 and 180 and if cos B = 3/5 with B between 0 and 90
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Step-by-step explanation:

The trig identity for the differnce of angles tells you ...

sin(A -B) = sin(A)cos(B) -sin(B)cos(A)

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