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Mathematics 8 Online
OpenStudy (anonymous):

Which expression is equivalent to (sin x + 1)(sin x − 1)?

OpenStudy (anonymous):

cos2x -cos2x cos2x + 1 cos2x − 1 -cos2x + 1

Nnesha (nnesha):

foil!!

Nnesha (nnesha):

|dw:1434123061043:dw| multiply

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