Question

The value of Bin 600 x Cos 30° is:
A B 13 0 3 0
4 Z 4
2​

Answer 1

Step-by-step explanation:

given sin600 × cos 30

sin (720-120) × √3/2

we know that

sin (720-a)= -sina

-sin 120 ×√3/2

-sin(90+30) ×√3/2

we know that sin (90+a)= cos a

-cos 30 ×√3/2

-(√3/2)×√3/2

-3/4