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Given the triangle and equation below, what is the value of x? Right triangle ABC with AB measuring 5 and BC measuring 7. tan∠A - csc∠C = 3x
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|dw:1326843016576:dw|
First find length AC using pythagorean theorem. tan A = opp/adj = 7/5 csc C = 1/sinC where sin C = 5/hypotenuse (see above, AC) solve for x
hypotenuse is sqrt of 74, but im so confused can u please solve?
so what is sin(C) ? what is 1/sin(C) ? hint if sin(C)= a/b 1/sin(C)= b/a
what?????????????????????????????? can youy please just give me an answer??? i dont understand,
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Watch this if you need more info http://www.khanacademy.org/video/basic-trigonometry?playlist=Trigonometry
omgg....b being what??? and a being what?????
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