Question

If sinx+siny=3(cosy-cosx)then value of sin3x by sin3y is???

Answer 1

Answer:

(-1)

Step-by-step explanation:

Hope this helps you .

Answer 2

Answer:

cos theta + sin theta minus 3 cos x then value of sin 3x + 3 y☹️✌️✨⭐️⭐️