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Write the ratios for sin A and cos A.
The triangle is not drawn to scale.
 one year ago
 one year ago
Write the ratios for sin A and cos A. The triangle is not drawn to scale.
 one year ago
 one year ago

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satellite73Best ResponseYou've already chosen the best response.1
using the old "opposite over hypotenuse" you get \[\sin(A)=\frac{3}{5}\]
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
and using "adjacent over hypotenuse" you get \[\cos(A)=\frac{4}{5}\]
 one year ago

Emily778Best ResponseYou've already chosen the best response.0
10. Use a trigonometric ratio to find the value of x. Round your answer to the nearest tenth. The triangle is not drawn to scale. (2 points)
 one year ago

Emily778Best ResponseYou've already chosen the best response.0
Can you please show me step by step on how to do this?
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
tangent in a right triangle is "opposite over adjacent" so you have \[\tan(20)=\frac{9}{x}\]
 one year ago

Emily778Best ResponseYou've already chosen the best response.0
Do I have to put tan on my work?
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
solve the ratio for \(x\) and get \[x=\frac{9}{\tan(20)}\] to get the number you need a calculator
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
yes you need tangent for this one since you have the opposite side, and you want the adjacent side
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
to the nearest tenth it looks like \(24.7\) http://www.wolframalpha.com/input/?i=9%2Ftan%2820%29
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
talk about "not drawn to scale"!!
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
oh no, not \(\frac{9}{20}\) it is \(x=\frac{9}{\tan(20)}\) to find that number you need a calculator
 one year ago

satellite73Best ResponseYou've already chosen the best response.1
in english "nine over the tangent of twenty"
 one year ago
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