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anonymous
 one year ago
y=
anonymous
 one year ago
y=

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0options are 4.6 13.9 21.6

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1You need to use trigonometry of a right triangle.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Look at the triangle. Which side is the hypotenuse?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Last Formula Tan60=8/y y=8/Tan60

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0errr but we're only given 1 side and 1 angle with 2 unknowns though ?!

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1@shylibra16 For simplicity, call the sides x, y, and 8. Of the three sides x, y, and 8, which one is the hypotenuse?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the x is the hypotenuse

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Good. That means the y and the 8 are legs. Now look at the given angle. For that given angle, which side, y or 8, is the adjacent leg?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Hint: adjacent means "next to". Opposite means "across from".

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1dw:1436846834358:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1dw:1436846878550:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1For the 60deg angle, the y side is the opposite leg. For the 60deg angle, the 8 side is the adjacent leg.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1dw:1436847013290:dw

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1We know the angle. We know the adjacent leg. We are looking for the opposite leg. Look above at @Nurali 's helpful figure, and see which trig function relates the angle to the opposite and adjacent legs?

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1The tangent relates the opposite and the adjacent legs. You get \(\tan 60^o = \dfrac{opp}{adj} \) \(\tan 60^o = \dfrac{y}{8} \) \(y = 8 \tan 60^o\) \(y = 13.9\) You are correct.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Tan60=8/y Not Tan60=y/8

UsukiDoll
 one year ago
Best ResponseYou've already chosen the best response.0so if it's \[\tan60 = \frac{8}{y}\] then \[y[\tan60]=8\] \[y=\frac{8}{\tan60}\] like that? @Nurali

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@mathstudent55 @shylibra16
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