SinA•cosA•tanA+cosA-SinA. cotA give answer pls
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1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.