Question

sin A + sin B/
cos A + cos B +
cos A -cos B/
sin A -sin B
= 0.​

Answer 1

Answer:

sinA+ sinB/ cosA + cosB + cosA- cosB/ sinA- sinB =0

Step-by-step explanation:

sinA+ sinB ( sinA- sinB) + cosA- cosB ( cosA + cosB) / cosA + cosB ( sinA- sinB) after cancelling it become 0