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Mathematics 8 Online
OpenStudy (dls):

find theta!

OpenStudy (dls):

\[\LARGE \sqrt{3}\sin \theta-\cos \theta=2\]

hartnn (hartnn):

\(\LARGE (\sqrt{3}/2)\sin \theta-(1/2)\cos \theta=2/2 \)

OpenStudy (dls):

you're the man!

hartnn (hartnn):

now write cos a = \sqrt 3/2 ,sin a =1/2

hartnn (hartnn):

where a=...?

OpenStudy (dls):

60

OpenStudy (dls):

pi/3

hartnn (hartnn):

no.

OpenStudy (dls):

oh sorry!!

OpenStudy (dls):

pi/6

hartnn (hartnn):

sin ... = 1/2 ?

hartnn (hartnn):

yes.

OpenStudy (usukidoll):

30 degrees

hartnn (hartnn):

what is \(cos 30sin \theta-sin30 cos \theta=..?\)

OpenStudy (dls):

i messed up u,u

OpenStudy (dls):

sin(A-B)

OpenStudy (usukidoll):

|dw:1356774577698:dw|

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