1.

cosA=−1213 and cotB=247, where A lies in the second quadrant and B in the third quadrant, find the values of the following: (i)sin(A+B) (ii)cos(A+B) (iii)tan(A+B)

Answer»

cosA=1213 and cotB=247, where A lies in the second quadrant and B in the third quadrant, find the values of the following:
(i)sin(A+B)
(ii)cos(A+B)
(iii)tan(A+B)



Discussion

No Comment Found