- 1 1/5 as improper fraction

-6/5

Step-by-step explanation:the 1 whole number represents 5/5 so the 1/5 is added to the 5/5 to get 6/5 then you obviously add the - sign since it’s a negative.

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

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