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 |
[ 4-1856 - 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 |