### Home > CCA2 > Chapter 7 > Lesson 7.1.5 > Problem 7-77

7-77.

With your calculator in degree mode, find sin 60° and record your answer. Then switch to radian mode and find sin

. Did you get the same answer? Explain why your answers should be the same or different. Find sin

. Which angles, measured in degrees, would have the same sine as sin ?

What is

45°, 135°, 405°, etc.