טריגונומטריה — כיתה י"א · 4 יח"ל (קל)

פתרונות

1. $\frac{15}{17}$ — $\cos A = \frac{15}{17}$.
2. $\frac{24}{25}$ — $\cos A = \frac{24}{25}$.
3. $\frac{4}{5}$ — $\cos A = \frac{4}{5}$.
4. $\frac{21}{29}$ — $\cos A = \frac{21}{29}$.
5. $\frac{12}{13}$ — $\cos A = \frac{12}{13}$.
6. $\frac{4}{5}$ — $\cos A = \frac{4}{5}$.
7. $\frac{4}{5}$ — $\cos A = \frac{4}{5}$.
8. $\frac{3}{4}$ — $\tan A = \frac{3}{4}$.
9. $\frac{3}{4}$ — $\tan A = \frac{3}{4}$.
10. $\frac{5}{12}$ — $\tan A = \frac{5}{12}$.