Choose all the expressions that are equal to 8/9 x 4/5 ANSWERS:
A
8 x 4
9 x 5
B
8 x 5
9 x 4
C
32/45
D
4 x 8
5 x 9

answ9x x 3=

step-by-step explanation:

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2