数学三角函数填空题1.\x05tanA=0.25,则cos2A+(sinA)平方=___________2.\x05tan(A+B+π/6)=0.5,tan(B-π/6)=-1/3,则tan(A+π/3)=__________3.\x05(1+cosA)/sinA=2,则sinA-cosA=____________4.\x05cosA=4/5,tan(A-B)=-1/3,则cosB=__________5.\x05sinA
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![数学三角函数填空题1.\x05tanA=0.25,则cos2A+(sinA)平方=___________2.\x05tan(A+B+π/6)=0.5,tan(B-π/6)=-1/3,则tan(A+π/3)=__________3.\x05(1+cosA)/sinA=2,则sinA-cosA=____________4.\x05cosA=4/5,tan(A-B)=-1/3,则cosB=__________5.\x05sinA](/uploads/image/z/6947235-27-5.jpg?t=%E6%95%B0%E5%AD%A6%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E5%A1%AB%E7%A9%BA%E9%A2%981.%5Cx05tanA%3D0.25%2C%E5%88%99cos2A%2B%EF%BC%88sinA%EF%BC%89%E5%B9%B3%E6%96%B9%3D___________2.%5Cx05tan%28A%2BB%2B%CF%80%2F6%29%3D0.5%2Ctan%28B-%CF%80%2F6%29%3D-1%2F3%2C%E5%88%99tan%28A%2B%CF%80%2F3%29%3D__________3.%5Cx05%281%2BcosA%29%2FsinA%3D2%2C%E5%88%99sinA-cosA%3D____________4.%5Cx05cosA%3D4%2F5%2Ctan%28A-B%29%3D-1%2F3%2C%E5%88%99cosB%3D__________5.%5Cx05sinA)
数学三角函数填空题1.\x05tanA=0.25,则cos2A+(sinA)平方=___________2.\x05tan(A+B+π/6)=0.5,tan(B-π/6)=-1/3,则tan(A+π/3)=__________3.\x05(1+cosA)/sinA=2,则sinA-cosA=____________4.\x05cosA=4/5,tan(A-B)=-1/3,则cosB=__________5.\x05sinA
数学三角函数填空题
1.\x05tanA=0.25,则cos2A+(sinA)平方=___________
2.\x05tan(A+B+π/6)=0.5,tan(B-π/6)=-1/3,则tan(A+π/3)=__________
3.\x05(1+cosA)/sinA=2,则sinA-cosA=____________
4.\x05cosA=4/5,tan(A-B)=-1/3,则cosB=__________
5.\x05sinA-sinB=-1/2,cosA-cosB=1/2,则tan(A-B)=_________
6.\x05已知角A的终边在y=-2x(x≥0),求sin(2A+5π/4)=___________
有没有6题的全部答案?1到5题的过程可省略……求6题全部答案!求完整的正确答案!
数学三角函数填空题1.\x05tanA=0.25,则cos2A+(sinA)平方=___________2.\x05tan(A+B+π/6)=0.5,tan(B-π/6)=-1/3,则tan(A+π/3)=__________3.\x05(1+cosA)/sinA=2,则sinA-cosA=____________4.\x05cosA=4/5,tan(A-B)=-1/3,则cosB=__________5.\x05sinA
1.16/17
2.1
3.1/5
4.9根号10/10
5.-根号7/3
6.7根号2/10