SOLUTION: Sin45/2
Algebra.Com
Question 1091919: Sin45/2
Answer by ikleyn(52805) (Show Source): You can put this solution on YOUR website!
.
= .
See the lessons
- Trigonometric functions of half argument - Examples
- Miscellaneous Trigonometry problems
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
- ALGEBRA-II - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this online textbook under the topic "Trigonometry. Formulas for trigonometric functions".
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