Simplify to create an equivalent expression
1+4(6p-9)

For being nice i appreciate it but abc

Understanding what? lol

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.