answer in simplest radical form. sin 90 degrees

sin 90 = 1

hope this helps~ :)

72°,108°,72°,108°

To find the value of sin 90 degrees, you need to know the trigonometric values of common angles. In this case, sin 90 degrees is a well-known value. The sine of 90 degrees is equal to 1.

So, the simplest radical form of sin 90 degrees is just 1.