函数y=cos(3π/2-x)/cos(3π-x)最小正周期是:
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函数y=cos(3π/2-x)/cos(3π-x)最小正周期是:
函数y=cos(3π/2-x)/cos(3π-x)最小正周期是:
函数y=cos(3π/2-x)/cos(3π-x)最小正周期是:
cos(-x+(3π/2))=sin(-x)=-sinx
cos(3π-x)=-cos(-x)=-cosx
所以y=tanx
最小正周期:π
函数y=cos(3π/2-x)/cos(3π-x)最小正周期是
函数y=cos(3π/2-x)/cos(3π-x)最小正周期是:
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