Saved Bookmarks
| 1. |
In a triangle ABC, cosec A (sin B cos C + cos B sin C) equals |
Answer» EXPLANATION:We have, CSCA(sinBcosC+cos B SIN C),=cscAsin(B+C), =cscAsin(π−A)...[as, in ΔABC,A+B +C=π], =cscA⋅sinA, =1. |
|