3. Unit Circle
Trigonometric Functions on the Unit Circle
Problem 21
Textbook Question
Textbook QuestionIn Exercises 21–24, θ is an acute angle and sin θ is given. Use the Pythagorean identity sin²θ + cos²θ = 1 to find cos θ. sin θ = 6/7
292
views
Was this helpful?
Related Videos
Related Practice