Find the angle between the two planes 2x + y – 2z = 5 and 3x – 6y – 2z = 7
A. cos–1 (4/21)
B. cos–1 (2/21)
C. cos–1 (1/21)
D. cos–1 (5/21)
Answer:C
Find the angle between the two planes 2x + y – 2z = 5 and 3x – 6y – 2z = 7
A. cos–1 (4/21) B. cos–1 (2/21) C. cos–1 (1/21) D. cos–1 (5/21)