MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
The direct cosine m is given by formula cosф= ____ |
| A. | ( frac{x_2-x_1}{l_e} ) |
| B. | ( frac{y_2-y_1}{l_e} ) |
| C. | ( frac{x_1-y_1}{l_e} ) |
| D. | ( frac{x_2-y_2}{l_e} ) |
| Answer» C. ( frac{x_1-y_1}{l_e} ) | |