What are the correct trigonometric ratios that could be used to determine the length of ln? check all that apply. sin(20°) = cos(70°) = tan(70°) = sin(20°) = cos(70°) =

a, d

sin(20°) = ln/8

cos(70°) = ln/8

brainiest

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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