终边相同的角的同名三角函数的值相等,已知(1)正确请指出(2)(3)(4)的错误
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![终边相同的角的同名三角函数的值相等,已知(1)正确请指出(2)(3)(4)的错误](/uploads/image/z/2571530-50-0.jpg?t=%E7%BB%88%E8%BE%B9%E7%9B%B8%E5%90%8C%E7%9A%84%E8%A7%92%E7%9A%84%E5%90%8C%E5%90%8D%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E7%9A%84%E5%80%BC%E7%9B%B8%E7%AD%89%2C%E5%B7%B2%E7%9F%A5%EF%BC%881%EF%BC%89%E6%AD%A3%E7%A1%AE%E8%AF%B7%E6%8C%87%E5%87%BA%EF%BC%882%EF%BC%89%EF%BC%883%EF%BC%89%EF%BC%884%EF%BC%89%E7%9A%84%E9%94%99%E8%AF%AF)
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