sin 180° + 2.cos 180° + 3. sin 270° + 4.cos 270°

is gelijk aan 		A.   3
B.   − 2
C.   − 3
D.   − 4
E.   − 5
A    B    C    D    E 

[ 4-1878 - op net sinds 9.11.14-(E)-25.10.2023 ]

Translation in   E N G L I S H

sin 180° + 2.cos 180° + 3.sin 270° + 4.cos 270°

is equal to 		A.   3
B.   − 2
C.   − 3
D.   − 4
E.   − 5

Oplossing - Solution

sin 180° + 2.cos 180° + 3.sin 270° + 4.cos 270°
= 0 + 2.(−1) + 3.(−1) + 4.0 = −2 − 3 = ...