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I don't get how you get these answers:cos180 degree = -1 sin45 degree = root(2)/2 cos(-135) = -root(2)/2 cot(-60) = -1/root(3)
1. 2 answers
2. 467 views
can someone help me?you are given a sample of an unknown mineral. you determine that the mineral's streak is whte and its
1. 0 answers
2. 732 views
I've been stuck on this question for half hour so please help meAccording to the principle of supply and demand, the price you
1. 1 answer
2. 537 views
a sample of magma flows very quickly. Would you expect it to contain high or low amounts of silica? Why?please help
1. 1 answer
2. 1,276 views