weetatifulBEST weetatifulBEST

04-11-2016
Mathematics

contestada

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

Respuesta :

Nirina7 Nirina7

09-11-2016

arccos (cos pi/2)=?
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

Answer Link

longwoodfade longwoodfade

10-01-2021

Answer:

-pi/2

Step-by-step explanation:

arccos (cos pi/2)=?

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

Answer Link

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