1.求函数y=3sin(x/6-7π/12)的单调递增区间.2.化简{[tan(π-x)]/[sin(π-α)*sin(3π/2-α)]}+{[sin(2π-α)*cos(α-3π/2)]/[sin(3π/2+α)*cos(2π-α)]}.
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1.求函数y=3sin(x/6-7π/12)的单调递增区间.2.化简{[tan(π-x)]/[sin(π-α)*sin(3π/2-α)]}+{[sin(2π-α)*cos(α-3π/2)]/[sin(3π/2+α)*cos(2π-α)]}.
1.求函数y=3sin(x/6-7π/12)的单调递增区间.
2.化简{[tan(π-x)]/[sin(π-α)*sin(3π/2-α)]}+{[sin(2π-α)*cos(α-3π/2)]/[sin(3π/2+α)*cos(2π-α)]}.
1.求函数y=3sin(x/6-7π/12)的单调递增区间.2.化简{[tan(π-x)]/[sin(π-α)*sin(3π/2-α)]}+{[sin(2π-α)*cos(α-3π/2)]/[sin(3π/2+α)*cos(2π-α)]}.
应该是没问题的~
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我认为我的对
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