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Mathematics 13 Online
OpenStudy (atomicreaper):

If tanθ= 12/5 and cosθ= -5/13, then what is sin?

Nnesha (nnesha):

draw a right triangle given tan is positive so you should draw a right triangle in 3rd quadrant where tan value are positive CAST chart to remember signs |dw:1445437632766:dw|

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