If sin(42°) = 0.6691, then the cos(x°) = 0.6691, where x is the measure of an acute angle. Enter the value of x that makes the equation, cos(x°) = 0.6691, true.

x=?°

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we know that

applying the law of sines

°

so

∠j=18°

∠k=29°

∠l=180-(18+29)=133°

the answer part a) is

the measure of angle k is  ≈29°

part b)  the measure of angle k could also be

(180-29)=151°

so

∠j=18°

∠k=151°

∠l=180-(18+151)=11°

the answer part b) is

the measure of angle k could also be 151°

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the statemwnt is the company makes small and large snow cone cups.

large=it holds more then the small

small=it holds less then the large