Sara found 58 seashells on the beach,she gave Dan some of her seashells.She has 13 seashells left.How many seashells did she giv
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Answer:
Step-by-step explanation:
now the equation looks like
3-4Cos(x)=y
hmmm i'm wondering if you can figure it out from here??? it's the same as the other two.. plug in that /2 .. can you? :)