Mathematics
Two climbers are at points A and B on a vertical cliff face. To an observer C, 40 m from the foot of the cliff, on the level ground, A is at an elevation of 48° and B of 57°. What is the distance between the climbers?
Related Questions
At a particular time, when the sun's altitude is 30°, the length of the shadow of a vertical tower is 45 m. Calculate :
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(a) 45° (b) 60°.
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