SOLUTION: Use an identity to write the expression as a single trigonometric function. {{{sqrt((1+cos(14^"o"))/2)}}}

SOLUTION: Use an identity to write the expression as a single trigonometric function. {{{sqrt((1+cos(14^"o"))/2)}}}

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Question 1139162: Use an identity to write the expression as a single trigonometric function.

Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!



That looks like the right side of the identity:



So we substitute 14° for a using the + sign:





Answer: 

Edwin

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