![Expert Verified] find the value of (1+cos pi/8)(1+cos 3pi/8)(1+cos 5pi/8)(1+ cos 7pi/8) - Brainly.in Expert Verified] find the value of (1+cos pi/8)(1+cos 3pi/8)(1+cos 5pi/8)(1+ cos 7pi/8) - Brainly.in](https://hi-static.z-dn.net/files/d6d/aaf6ea937ddcfd6b96b28288fe0747ec.jpg)
Expert Verified] find the value of (1+cos pi/8)(1+cos 3pi/8)(1+cos 5pi/8)(1+ cos 7pi/8) - Brainly.in
![Интеграл от 3pi/8 до pi/8 12 sin( pi/8 -x) cos (pi/8 - x) dx Ответ должен быть sqrt3/4 - Школьные Знания.com Интеграл от 3pi/8 до pi/8 12 sin( pi/8 -x) cos (pi/8 - x) dx Ответ должен быть sqrt3/4 - Школьные Знания.com](https://ru-static.z-dn.net/files/d55/0a85909a193fb5fa35b4923f13ba1b9b.jpg)
Интеграл от 3pi/8 до pi/8 12 sin( pi/8 -x) cos (pi/8 - x) dx Ответ должен быть sqrt3/4 - Школьные Знания.com
![Prove that \sin \frac{8\pi}{3} \cos \frac{23\pi}{6} + \cos \frac{13\pi}{3} \sin\frac{35\pi}{6} = \frac{1}{2} | Homework.Study.com Prove that \sin \frac{8\pi}{3} \cos \frac{23\pi}{6} + \cos \frac{13\pi}{3} \sin\frac{35\pi}{6} = \frac{1}{2} | Homework.Study.com](https://homework.study.com/cimages/multimages/16/study_unit_circle_024537359893991931183.png)
Prove that \sin \frac{8\pi}{3} \cos \frac{23\pi}{6} + \cos \frac{13\pi}{3} \sin\frac{35\pi}{6} = \frac{1}{2} | Homework.Study.com
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