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Mathematics
OpenStudy (aravindg):

if cos(x-y)=a and sin(x-z)=b ,then cos^2(y-z)+2absin(y-z)====

OpenStudy (aravindg):

how???

OpenStudy (aravindg):

|dw:1310631185846:dw|

OpenStudy (aravindg):

help guys

OpenStudy (anonymous):

ah help takes time

OpenStudy (aravindg):

how much time???

OpenStudy (mimi_x3):

a VERY~ long time xD jks

OpenStudy (anonymous):

Sin(y-z)Sin(2x-z-y)+1

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