Question

If sin A+ sin B =x and cos A+cosB =y then show that sin (a+b) = 2xy/X2+y2​

Answer 1

Answer:

11. Write three characteristics of particulate nature of matter

2. Why does the smell of perfume of the incense stick fill the whole room in few minutes, when lighted1. Write three characteristics of particulate nature of matter

2. Why does the smell of perfume of the incense stick fill the whole room in few minutes, when lighted

Step-by-step explanation:

1. Write three characteristics of particulate nature of matter

2. Why does the smell of perfume of the incense