cot44°cot45°cot46° 应该怎么算?
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![cot44°cot45°cot46° 应该怎么算?](/uploads/image/z/11466616-40-6.jpg?t=cot44%C2%B0cot45%C2%B0cot46%C2%B0+%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E7%AE%97%3F)
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cot44°cot45°cot46° 应该怎么算?
cot44°cot45°cot46° 应该怎么算?
cot44°cot45°cot46° 应该怎么算?
cot44°cot45°cot46°
=cot44°*cot45°*tan44°
=(cot44°*tan44°)*cot45°
=1*1
=1