1.

If sinx+siny=a and cosx+cosy=b then find the values of "tan"(x+y)/2,cot (x+y) and "sin"(x-y)/2 interms of a and b (given a!=0 !=b)

Answer»


ANSWER :`a//B,(b^(2)-a^(2))/(2AB)`,+-SQRT(4-a^(2)-b^(2))/2`


Discussion

No Comment Found

Related InterviewSolutions