TS EAMCET 03 May 2019 Shift 2 Solved Paper

Section: Mathematics

Question : 60 of 160

Marks: +1, -0

If A(3, 2, 3), B(1, 4, 6) and C (7, 4, 5) are the three vertices of a parallelogram ABCD. then the angle between its diagonal through D and the side DC is

cos−1(
16
√137
)
cos−1(
5
√126
)
cos−1(
5
√21
)
cos−1(
2
√357
)

Validate

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