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计算cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6cosπ/3-ta
题目内容:
计算cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6
cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6
[tan(-150°)cos(-210°)cos420°]/cot(-600°)sin(-1050°)
cos25/6π+cos25/3π+tan(-25/4π)
5sinπ/2+2cos0-3sin3/2π+10cosπ
tan10°tan20°tan30°tan45°tan60°tan70°tan80°
过程要详细
计算cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6
cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6
[tan(-150°)cos(-210°)cos420°]/cot(-600°)sin(-1050°)
cos25/6π+cos25/3π+tan(-25/4π)
5sinπ/2+2cos0-3sin3/2π+10cosπ
tan10°tan20°tan30°tan45°tan60°tan70°tan80°
过程要详细
cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6
[tan(-150°)cos(-210°)cos420°]/cot(-600°)sin(-1050°)
cos25/6π+cos25/3π+tan(-25/4π)
5sinπ/2+2cos0-3sin3/2π+10cosπ
tan10°tan20°tan30°tan45°tan60°tan70°tan80°
过程要详细
本题链接: