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Mathematics 12 Online
OpenStudy (anonymous):

If sin x = -3/5 and x is in quadrant 3, then tan2x = _____ ??? :) A. -24/7 B. 24/7 C. 12/7 D. -12/7 ***My answer; B. 24/7 is that right? @terenzreignz :)

terenzreignz (terenzreignz):

After much thinking... I conclude that it's correct. :D

terenzreignz (terenzreignz):

that's a nice way to say 24/7... tan(2x) when sin(x) = 3/5 XD

OpenStudy (anonymous):

haha yay! :) gracias! :D hehe like how you phrased that :)

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