AP EAMCET Engineering 22 Sep 2020 Shift 1 Paper

Section: Mathematics

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Question : 29 of 160

Marks: +1, -0

Find the angle between the planes x+2y+2z−5 = 0 and 3x+3y+2z−8 = 0.

Cos−1(
3
√22
)
Cos−1(
13
3√22
)
Cos−1(
1
3√22
)
Cos−1(
13
31
)

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