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Airida [17]
3 years ago
10

Find the exact value of the composition. arccos (cos pi/2)

Mathematics
1 answer:
Genrish500 [490]3 years ago
6 0
<span>arccos (cos pi/2)=?
</span>cos pi/2=0, arccos (0)=?, we know that cos pi/2=0, so cos^-1 (o)= Pi/2, but cos^-1 (o)=arccos (0), so arccos (cos pi/2)=Pi/2
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