Question

1) The sum of two angles is c

5 and their difference is 600 then their measures in degrees are

a) 4200

, 4400 b) 4800

, 4200

c) 4600

, 4400 d) 4700

, 4500

2) 

























1 cos

sin

sin

1 cos

1 cos

sin 1

2

a) 0 b) 1 c) sin d) cos

3) cosA cos(600

- A) cos(600

+ A) =

a) cos3A

2

1

b) cos3A c) cos3A

4

1

d) 4cos 3A

4) If z = r (cos + i sin ) then the value of

z

z

z

z

 =

a) cos2 b) 2cos2 c) 2cos d) 2sin

5) If aN = ax | x N then the set 6N 8N =

a) 8 N b) 12N c) 48N d) 24N​

Answer 1

what is the question? pls frame it properly....