Question

Example 8. Prove that:
Yta
sin a + sin ß+sin y-sin(a+B+ Y) = 4 sin
P”= 4sin 2 sin 2-sin-2​

Answer 1

Step-by-step explanation:

Sry question is not understandable

$\red{ \bf{Plz \: \: mark \: it \: brainliest}}$