(1 point) let ēı = (1,0), ē2 = (0,1), 71 = (5,2) and 72 = (-5,4). let t: r2 + r2 be a linear transformation that sends ēj to žy andē, to . if t maps (-9, 1) to the vector y, then y= (enter your answer as an ordered pair, such as (1,2), including the parentheses.)

answer:      

step-by-step explanation:

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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