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数学求证:(1+tg1~0)(1+tg2~0)(1+tg3~0)……(1+tg43~0)(1+tg44~0)=2~(22).(邓松青供稿)物理如图所示,在长 l=1米的绳的一端拴一个质量 M=3.99千克的木块,另一端悬挂在离地面高 h=5.9米的 O 点,若绳
(1 + tg2 ~ 0) (1 + tg3 ~ 0) ...... (1 + tg43 ~ 0) (1 + tg44 ~ 0) = 2 ~ (22) Feed) Physical As shown in the illustration, attach a block of wood with a mass M = 3.99 kg at one end of a rope of length 1 = 1 m and the other end at point O h = 5.9 m above the ground,