Here is another expression: 3 ● 2y 6. Evaluate the expression when y is 2.
Answer
7. Evaluate the expression when y is 7.
Answer

The dot is Times

Evaluate the expression when y is 2 = 12

Evaluate the expression when y is 7 = 42

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