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OpenStudy (anonymous):
Find the exact value of sin(11pi/8). ***my answer; B (answer choices attached inside!) is that right? @terenzreignz :)
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OpenStudy (anonymous):
answer choices A,B,C,D from top to bottom :)
terenzreignz (terenzreignz):
Nope.
OpenStudy (anonymous):
aww :( darn :( idk then :(
terenzreignz (terenzreignz):
The half-angle identities... \[\large \sin\left(\frac{x}2\right)= \sqrt{\frac{1-\cos(x)}{2}}\]
terenzreignz (terenzreignz):
on second thought...
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terenzreignz (terenzreignz):
You're right :D My bad~
OpenStudy (anonymous):
haha lol okay! yay!! :) hehe woot woot! :D
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