|
Welke formule
drukt de grondformule correct uit ? |
A. sin α + cos α = 1 |
|---|---|
| B. cos2 α = sin² α | |
| C. (sin α + cos α)2 = 1 | |
| D. sin2 α + cos2 α + 1 = 0 | |
| E. sin2 α + cos2α − 1 = 0 |
[ 4-3709 - op net sinds 3.8.08-(E)-29.10.2023 ]
|
Which formula expresses the Pythagorean identity correct ? (the most important formula of Trigonometry) |
A. sin α + cos α = 1 |
|---|---|
| B. cos2 α = sin² α | |
| C. (sin α + cos α)2 = 1 | |
| D. sin2 α + cos2 α + 1 = 0 | |
| E. sin2 α + cos2α − 1 = 0 |
