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Mathematics 7 Online
OpenStudy (anonymous):

simplify the following expression by using the appropriate expressions,

OpenStudy (anonymous):

cos(-pi/6)cos(pi/4)+sin(-pi/6)cos(-pi/4)

OpenStudy (anonymous):

opps last term is sin(pi/4)

OpenStudy (anonymous):

|dw:1429232484413:dw|

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