Q.
If ω(≠1) is a cube root of unity, then the value of tanω2017+ω2225π−π/3
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a
−13
b
13
c
-3
d
3
answer is C.
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Detailed Solution
ω2017=ω3672ω=ωand ω2225=ω3741ω2=ω2∴tanω2017+ω2225π−π/3=tanω+ω2π−π/3=tan(−π−π/3)=−tan(π+π/3)=−tan(π/3)=−3
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