(cot30°-√3)(cos5°+sin5°)(cos5°-sin5°)求值
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(cot30°-√3)(cos5°+sin5°)(cos5°-sin5°)求值(cot30°-√3)(cos5°+sin5°)(cos5°-sin5°)求值(cot30°-√3)(cos5°+sin5
(cot30°-√3)(cos5°+sin5°)(cos5°-sin5°)求值
(cot30°-√3)(cos5°+sin5°)(cos5°-sin5°)
求值
(cot30°-√3)(cos5°+sin5°)(cos5°-sin5°)求值
0
(cot30°-√3)(cos5°+sin5°)已经等于0了
cot30°=√3;
cot30°-√3=0;
故原式=0；