Let \pi_1 be the plane determined by the vectors \overline{i}+2 \overline{j} and 3 \overline{j}-2 \overline{ {\k}}. Let \pi_2 be the plane determined by the vectors \overline{j}+2 \overline{ {\k}} and 3 \overline{ {\k}}-2 \overline{ {\i}}. If \theta is the angle between \pi_1 and \pi_2, then \cos \theta=

AP EAPCET 15th May 2023 Shift 1 Solved Paper

Section: Mathematics

Question : 31 of 160

Marks: +1, -0

Let π1 be the plane determined by the vectors i+2j and 3j−2k. Let π2 be the plane determined by the vectors j+2k and 3k−2i. If θ is the angle between π1 and π2, then cos‌θ=

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7
26
−‌
14
29
−‌
32
5√2
‌
23
38

Validate

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