Use a double-angle identity to find the exact value of the trigonometric expression.
cos 420
Use a double-angle identity to find the exact value of the trigonometric expression.
cos 420
Solution
height of triangle is 3.42
.
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Question 2 of 20 5-0 Points Use a double-angle identity to find th.docx
1. Question 2 of 20 5.0 Points
Use a double-angle identity to find the exact value of the trigonometric expression.
cos 420
Use a double-angle identity to find the exact value of the trigonometric expression.
cos 420
Question 1 of 20 5.0 Points
Solution
height of triangle is 3.42