求化简(1)sin10°分之1减去cos10°分之根号3,
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求化简(1)sin10°分之1减去cos10°分之根号3,
求化简(1)sin10°分之1减去cos10°分之根号3,
求化简(1)sin10°分之1减去cos10°分之根号3,
(1/sin10)-(√3/cos10)
=(cos10-√3sin10)/sin10cos10
=[4(1/2cos10-√3/2sin10)]/sin20
=[4sin(30-10)]/sin20
=4
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如对回答满意,
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我语文有问题!!!!理解可能不当...(1/sin(10°))-((3^(1/2))/cos(10°)) = 4是这个吗?
求化简(1)sin10°分之1减去cos10°分之根号3,
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