Which expression is equivalent to 15 x^-3 z^5/ 3x7 z^-5 A 12/ x^10
B. 5x4
c 50 to
D.5(x/z)^10
E 12(z/x)^10

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

b

step-by-step explanation:

answer: 4 (:

step-by-step explanation: