Question

Jenny

求解

-40-Gue you
(12)
Vio
3
2(S)(6) 設a為實數,則當 a為下列何值時,方程式 Sin x+ 3 cos x=a無解?
11 + 9 = 10
017-90
No son x + eosx)= a
X-90-0
Coso
cosa
= cos (9020) = sin(90-6
No sono+x) -a
(1) 2
(2) 2.5
(3) 2.8
(4) 3
sino
- sua
(5) 3.5

Answer 1

Wonder

如