化简:[sin(2004π-α)cos(α-2005π)/cot(2003π-α)sin(α+3π)]+sin(α-π)
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/03 20:55:19
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化简:[sin(2004π-α)cos(α-2005π)/cot(2003π-α)sin(α+3π)]+sin(α-π)
化简:sin(2π-α)cos(π+α)cos(11π/2-α)/cos(π-α)sin(3π-α)sin(-π-α)sin(9π/2+α)
sinα+cosα 化简
[sin(5π-α)cos(-π-α)]/[cos(α-π)cos(π/2+α)]化简
(1+sinα+cosα)*[sin(α/2)-cos(α/2)]/√(2+2cosα)化简 (3/2*π
化简sin(-π/2-α)sin(πα)cos(-α-π)/cos(π-α)sin(3π α)
化简sin(π/4+α)cosα-sin(π/4-α)sinα
2sinα*cosα*cos(2π-α)+cos(π+2α)*cosα*tanα化简!
化简sin(α-5π)/cos(3π-α)×cos(π/2-α)/sin(α-3π)×cos(8π-α)/sin(-α-4π)
化简[sin(π/2-α)cos(π/2-α)]/cos(π+α)-[sin(π-α)cos(π/2-α)]/sin(π+α)
化简sin(α-2π)+sin(-a-3π)cos(α-3π)/cos(π-α)-cos(-π-α)cos(α-4π)
化简:cos(π/3+α)+sin(π/6+α)
化简sin(π/4-α)+cos(π/4+α)
化简:2sin(π+α)cos(π-α)
化简sin(nπ+α)/cos(nπ-α)
化简cos(3/2π+π)sin(-π+α)
化简:tanα(cosα-sinα)+sinα(sinα+tanα)/1+cosα.
化简[tan(2π-α)sin(-2π-α)cos(6π-α)]/[cos(α-π)sin(5π-α)]