Question

Find the exact value of sin(11pi/8).

***my answer; B

(answer choices attached inside!)

is that right? @terenzreignz :)

Answer 1

answer choices A,B,C,D from top to bottom :)

Answer 2

Nope.

Answer 3

aww :( darn :( idk then :(

Answer 4

The half-angle identities...
\[\large \sin\left(\frac{x}2\right)= \sqrt{\frac{1-\cos(x)}{2}}\]

Answer 5

on second thought...

Answer 6

You're right :D
My bad~

Answer 7

haha lol okay! yay!! :) hehe woot woot! :D