MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is the correct formula for the angle between two planes? |
| A. | cos u2061 = ( left | frac{ vec{n_1}. vec{n_2}}{| vec{n_1}|| vec{n_2}|} right | ) |
| B. | sin u2061 = ( left | frac{ vec{n_1}. vec{n_2}}{| vec{n_1}|| vec{n_2}|} right | ) |
| C. | cos u2061 = ( left | frac{ vec{n_1}+ vec{n_2}}{| vec{n_1}|| vec{n_2}|} right | ) |
| D. | sin u2061 = ( left | frac{ vec{n_1}+ vec{n_2}}{(| vec{n_1}|+| vec{n_2}|} right | ) |
| Answer» B. sin u2061 = ( left | frac{ vec{n_1}. vec{n_2}}{| vec{n_1}|| vec{n_2}|} right | ) | |