Question

c

求解！

10.試求下列各式的值:
8109
40
(0
2.5
-37.5
152.5
(cosb& cost + sinbol
52-3
135.0
(N) ) sin(60° + 0) cos(60° - 0) + cos(60° + 0) sin(60° - 0).
50
Cos52.50
t

Answer 1

✨ 最佳解答 ✨

Ian

如圖