7. Non-Right Triangles
Law of Cosines
4:33 minutes
Problem 7a
Textbook Question
Textbook QuestionIn Exercises 5–8, each expression is the right side of the formula for cos (α - β) with particular values for α and β. c. Find the exact value of the expression. 5π π 5π π cos ------- cos -------- + sin -------- sin ------- 12 12 12 12
Verified Solution
This video solution was recommended by our tutors as helpful for the problem above
Video duration:
4mPlay a video:
190
views
Was this helpful?
Related Videos
Related Practice
Showing 1 of 8 videos