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Mathematics 7 Online
OpenStudy (anonymous):

I need help solving these two equations: http://i57.tinypic.com/9r0l00.jpg

OpenStudy (tkhunny):

\(\sin\left(\cot^{-1}\left(\dfrac{3x}{5}\right)\right)\) Never struggle with these. Just draw a Right Triangle and designate an acute angle. |dw:1410038700196:dw|

OpenStudy (tkhunny):

This reduces the problem to two things: 1) What is sin(A)? 2) Did we forget what quadrant we were in, since a Right Triangle always implies Quadrant I?

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