Mathematics, 24.06.2019 20:00 jenny00qq
Bob is building a wooden cabin. the cabin is 30 meters wide. he obtained a bunch of 17 meters long wooden beams for the roof of the cabin. naturally, he wants to place the roof beams in such an angle that each pair of opposite beams would meet exactly in the middle. what is the angle of elevation, in degrees, of the roof beams?
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.... find the inverse by using arccos
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Bob is building a wooden cabin. the cabin is 30 meters wide. he obtained a bunch of 17 meters long w...
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