### Home > A2C > Chapter 13 > Lesson 13.2.3 > Problem 13-130

13-130.

Write each angle as the sum or difference of two special angles and then find the exact sine or cosine. Homework Help ✎

Now find the exact value of sine.

See part (a).

13-130.

Write each angle as the sum or difference of two special angles and then find the exact sine or cosine. Homework Help ✎

Now find the exact value of sine.

See part (a).