SOLUTION: Use a sum or difference formula to find the exact value of the following.
sin13π/18 cosπ/36 + cos13π/18 sinπ/36 =
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Question 1042104: Use a sum or difference formula to find the exact value of the following.
sin13π/18 cosπ/36 + cos13π/18 sinπ/36 =
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
.
Use a sum or difference formula to find the exact value of the following.
sin13π/18 cosπ/36 + cos13π/18 sinπ/36 =
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
= = = = = .
Regarding a sum or difference formula, see the lesson
- Addition and subtraction formulas
in this site.
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