AP EAMCET Engineering 23 Apr 2019 Shift 1 Paper

Section: Mathematics

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Question : 21 of 160

Marks: +1, -0

tan

π

5

+ 2 tan

2π

5

+ 4 cot

4π

5

=

cot
π
5
cot
2π
5
cot
3π
5
cot
4π
5

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