Question

Column - I
Column - II
8.
cos 20°+cos80° - V3 cos50°
d
a) - 1
9.
270
cos 0° + cos+cos +
7
7
-3
b)
C
Зл
477
57
670
COS +cos + cos + cos
7
7
7
7
=
0 a
10. cos20° + cos40° + cos60° -
4 cos 10° cos20° cos 30°
c) 1
11.
cos 20° cos 100° + os 100°cos 140° -
cos140° cos200°
b
d) 0​

Answer 1

Answer:

sorry for the next few days

Answer 2

hii

Step-by-step explanation:

u folow me i will give your answer