Write the expression as the
sine or cosine of an angle.
sin 42° cos 17° - COS 42° sin 17°
![Write the expression as the sine or cosine of an angle sin 42 cos 17 COS 42 sin 17 class=](https://us-static.z-dn.net/files/d6d/2a86964810dc4dc5c4261b75a91384a0.png)
Answer:
sin 25°
Step-by-step explanation:
sin 42° cos 17° - cos 42° sin 17°
= sin (42° - 17°)
= sin 25°