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Mathematics 8 Online
OpenStudy (anonymous):

find the exact value of: arcsin(cos(2pi/3))

OpenStudy (anonymous):

convert cosine to sine first

OpenStudy (anonymous):

itd be arcsin(-1/2)

OpenStudy (anonymous):

oh ok, so what is arcsin(-1/2) ?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i thought itd be (sqrt3/2) but my answer sheet says (sqrt2/2)

OpenStudy (anonymous):

arcsin(-1/2) = -pi/6

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

no pro

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