Question

sin(alpha - 180) what is the answer

Answer 1

sin(alpha - 180)

= - sin(180 - alpha)

= - sin(- alpha)

= - - sin(alpha)

= sin(alpha)

Answer 2

Answer:

$\sin( \alpha - 180)$

$\sin \alpha - \sin180$

$\sin \alpha = \sin180$

$\alpha = 180$

Hope it's correct