Saved Bookmarks
| 1. |
यदि ध्रुवण कोण `alpha` तथा क्रान्तिक कोण `beta` हो तब-A. `tan alpha=sin beta`B. `cot alpha=sin beta,`C. `tan alpha=cos beta,`D. `cot alpha=cos beta.` |
| Answer» Correct Answer - (ii) | |