|
Het product
sin(180°−α).cos(180°−α).tan(180°−α) is gelijk aan |
A. 1 |
|---|---|
| B. − 1 | |
| C. − cos² α | |
| D. sin² α | |
| E. − sin² α |
[ 4-1855 - op net sinds 6.4.2020-(E)-8.11.2023 ]
|
sin(180°−α).cos(180°−α).tan(180°−α)
is equal to |
A. 1 |
|---|---|
| B. − 1 | |
| C. − cos² α | |
| D. sin² α | |
| E. − sin² α |
