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Sin (3pi/4) =_____ please help!!!

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Sin (3pi/4) =_____ please help!!!

asked Aug 8, 2019 152k views

1 vote

Sin (3pi/4) =_____ please help!!!

Mathematics
middle-school

MYJ World asked

7.8k points

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1 Answer

4 votes

$sin(3)/(4)\pi=sin(\pi-(\pi)/(4))=sin(\pi)/(4)=(\sqrt2)/(2)$

Allexiusw answered Aug 15, 2019

8.9k points

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