1.3-bo'lim: Trig funktsiyalari

Quyidagilarning har birining aniq qiymatini kalkulyatordan foydalanmasdan aniqlang.

E'tibor bering, bu muammolarning maqsadi trig-funksiyalarning qiymatini qanday topishni o'rganish emas, balki birlik doirasi bilan sizga qulaylik yaratishdir, chunki bu trig tenglamalarini echishda zarur bo'lgan juda muhim mahoratdir.

1. \(\displaystyle \cos \left( {\frac{{5\pi }}{6}} \right)\) Yechim
2. \(\displaystyle \sin \left( { - \frac{{4\pi }}{3}} \right)\) Yechim
3. \(\displaystyle \sin \left( {\frac{{7\pi }}{4}} \right)\) Yechim
4. \(\displaystyle \cos \left( { - \frac{{2\pi }}{3}} \right)\) Yechim
5. \(\displaystyle \tan \left( {\frac{{3\pi }}{4}} \right)\) Yechim
6. \(\displaystyle \sec \left( { - \frac{{11\pi }}{6}} \right)\) Yechim
7. \(\displaystyle \cos \left( {\frac{{8\pi }}{3}} \right)\) Yechim
8. \(\displaystyle \tan \left( { - \frac{\pi }{3}} \right)\) Yechim
9. \(\displaystyle \tan \left( {\frac{{15\pi }}{4}} \right)\) Yechim
10. \(\displaystyle \sin \left( { - \frac{{11\pi }}{3}} \right)\) Yechim
11. \(\displaystyle \sec \left( {\frac{{29\pi }}{4}} \right)\) Yechim