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Mathematics, 21.06.2019 18:30
Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?
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Mathematics, 21.06.2019 18:30
Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)
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Which is equivalent to 8x-y+3x?...
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