= sin 15° . cos 15°
=
(2.sin 15°.cos 15°)=
sin 30°= ...
|
sin 15° . sin 75° is gelijk aan |
A. \(1\) |
|---|---|
| B. \(\frac{1}{2}\) | |
| C. \(\frac{1}{2}\cdot\sqrt2\) | |
| D. \(\frac{1}{4}\) | |
| E. \(\frac{1}{4}\cdot\sqrt3\) |
[ 5-3122 - op net sinds 8.11.12-(E)-13.6.2025 ]
|
sin 15° . sin 75° is equal to |
A. \(1\) |
|---|---|
| B. \(\frac{1}{2}\) | |
| C. \(\frac{1}{2}\cdot\sqrt2\) | |
| D. \(\frac{1}{4}\) | |
| E. \(\frac{1}{4}\cdot\sqrt3\) |
(2.sin 15°.cos 15°) sin 30°