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What is sin 7pie/4 the answer does not have pie in it and it is not a decimal

What is sin 7pie/4 the answer does not have pie in it and it is not a decimal
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3 votes
What is sin 7pie/4

the answer does not have pie in it

and it is not a decimal

User Iefpw
by
8.4k points

1 Answer

3 votes
Hello,
sin(-45°)=-√2 /2 =-0,7071067....

User Anton Shurashov
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