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Mathematics 9 Online
OpenStudy (vera_ewing):

Is the sine value negative or positive?

OpenStudy (vera_ewing):

\[ \frac{ 5\pi }{ 3 }\]

Nnesha (nnesha):

|dw:1439321452729:dw| \(\huge\color{green}{\rm CAST}\) rule

Nnesha (nnesha):

|dw:1439321495330:dw| sin is positive only in first and 2nd qudrant

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