Use a calculator to find the value of the trigonometric expression to four decimal place cos 50

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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answer: x=3 and y=4

step-by-step explanation:

combine all like terms then its just a 2 step equation