\( \frac{\cos ^{2} 33^{\circ}-\cos ^{2} 57^{\circ}}{\sin 21^{\circ}-\cos 21^{\circ}}= \) (A) \( ...

\( \frac{\cos ^{2} 33^{\circ}-\cos ^{2} 57^{\circ}}{\sin 21^{\circ}-\cos 21^{\circ}}= \) (A) \( \frac{1}{\sqrt{2}} \) (B) \( -\frac{1}{\sqrt{2}} \) (C) \( \frac{\sqrt{3}}{2} \) (D) \( \frac{-\sqrt{3}}{2} \) 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live

Видео \( \frac{\cos ^{2} 33^{\circ}-\cos ^{2} 57^{\circ}}{\sin 21^{\circ}-\cos 21^{\circ}}= \) (A) \( ... автора Вероятности и стратегия