Let →A be vector parallel to line of intersection of planes P1 and P2 through origin. P1 is parallel to the vectors 2^j+3^k and 4^j−3^k and P2 is parallel to ^j−^k and 3^i+3^j, then the angle between vector →A and 2→i+→j−2^k is

Let →A be vector parallel to line of intersection of planes P1 and P

1.	Let →A be vector parallel to line of intersection of planes P1 and P2 through origin. P1 is parallel to the vectors 2^j+3^k and 4^j−3^k and P2 is parallel to ^j−^k and 3^i+3^j, then the angle between vector →A and 2→i+→j−2^k is
Answer» Let $\to A$ be vector parallel to line of intersection of planes $P_{1}$ and $P_{2}$ through origin. $P_{1}$ is parallel to the vectors $2^j + 3^k$ and $4^j - 3^k$ and $P_{2}$ is parallel to $^j -^k$ and $3^i + 3^j,$ then the angle between vector $\to A$ and $2 \to i + \to j - 2^k$ is