TS EAMCET 06 May 2019 Shift 1 Solved Paper

Section: Mathematics

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Question : 9 of 160

Marks: +1, -0

If z = cos α + i sin α ; 0 < α <

π

4

, then |

1+z4

1−z3

| =

cos2α
sin
3
2
α
cosα
sin
3
2
α
cos2α
sin
α
2
cosα
sin
α
2

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