If the angle of depression of P from Q is 35°,the angle of elevation of Q from P is A 35
题目
If the angle of depression of P from Q is 35°,the angle of elevation of Q from P is A 35
A35° B45° C55° D 70°
答案
如果从P到Q的俯角为35°,那么从Q到P的仰角也是一个35°
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