What are the correct trigonometric ratios that could be used to determine the length of LN? Check all that apply. sin(20°) = L N Over 8 cos(70°) = 8 Over L N tan(70°) = L N Over M N sin(20°) = 8 Over L N cos(70°) = L N Over 8

A, E

Step-by-step explanation:

Let's go down the list:

sin(20) = LN/8

- This is correct, as you can see, the side opposite angle M is LN and the hypotenuse is 8.

cos(70) = 8/LN

- This is not correct, cosine is adjacent/hypotenuse, but this equation gives hypotenuse/adjacent.

tan(70) = LN/MN

- This couldn't help you, because you don't know the measure of MN.

sin(20) = 8/LN

- This is not a correct ratio, 8/LN represents hypotenuse/opposite.

cos(70) = LN/8

- This is correct, as you can see, the adjacent side over the hypotenuse of angle L is equal to LN/8

Hope this helps!

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1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it