Question

What is sin 7π4 ?

Answer 1

87.9645943 you can round and fix that depending on if you need to round just wanted to give you the full number (: hope this helps. fan me and if you need any thing else just tag me

Answer 2

d you mean \[\frac{ 7\pi }{4}\]

Answer 3

??

Answer 4

yes

Answer 5

I think its 2√2

Answer 6

oaky so do you know unit circle

Answer 7

Yes

Answer 8

you just need sin
so no where in the unit circle is 2squareroot 2

Answer 9

Oh, wow now i feel dumb

Answer 10

i this quadrent you have 7 pi/4