TS EAMCET 14-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

Question : 59 of 160

Marks: +1, -0

Π1,Π2,Π3 are three planes which are respectively parallel to the YZ, ZX and XY planes at distances a, b and c forming a rectangular parallelepiped, d1 is a diagonal of the face on XY- plane not passing through the origin and d2 is a diagnol of hte plane Π2 coterminus with d1. If f none of the coordinates of the vertices of the parallelepiped are negative, then the angle between d1 and d2 is

Cos−1(
a2
√a2+b2√a2+c2
)
Cos−1(
a
a2+b2+c2
)
π
2
Sin−1(
a2
√a2+b2√b2+c2
)

Validate

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