6. Trigonometric Identities and More Equations
Double Angle Identities
Problem 5.4b
Textbook Question
Textbook QuestionDetermine whether the positive or negative square root should be selected.
sin (-10°) = ± √[(1 - cos (-20°))/2]
47
views
Was this helpful?
Related Videos
Related Practice
Showing 1 of 12 videos