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若角α的终边与8π/5的终边相同,则在[0,2π]上终边与α/4的终边相同的角是 设α= 2kπ+8π/5 ,则α/4 = kπ/2 + 2π/5 所以 k=0时, α/4 = 2π/5 k=1时,α/4 = π/2 + 2π/5 = 9π/10 k=2时,α/4 = π + 2π/5 = 7π/5 k=3时,α/4 = 3π/2 + 2π/5 =19π/10
2/5π