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Mathematics 15 Online
OpenStudy (anonymous):

given that cos0 = -4/5 and the angle0 is in quadrant 2 what is the value for sin0?

OpenStudy (anonymous):

|dw:1365724335659:dw|

OpenStudy (anonymous):

my answers are -9/25, 2 over the square root of 5, 3/5, and -4 over the square root of 5 tho???? :(

OpenStudy (anonymous):

ok so : |dw:1365724704053:dw|

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