|
Wat is de kleinste positieve oplossing (in °)
van de goniometrische vergelijking
2. cos2 (3x + 30°) = 1 ? |
A. 5° |
|---|---|
| B. 10° | |
| C. 15° | |
| D. 20° | |
| E. 25° |
[ 5-4655 - op net sinds 5.3.2020-(E)-23.10.2023 ]
|
What is the smallest positive solution (in degrees)
of the trigonometric equation 2. cos2 (3x + 30°) = 1 ? |
A. 5° |
|---|---|
| B. 10° | |
| C. 15° | |
| D. 20° | |
| E. 25° |
