Questions LLC
Login
or
Sign Up
Ask a New Question
D.Kapil
Questions and answers by visitors named
D.Kapil
Answers (1)
first you have to find the angles cosA and SinB using pythogoras theorem. Then using the property expand Sin(A+B)and then substitute the given values. similarly do the same for cos(A+B) and find the quadrant in which A+B lies. That's it!!!
