Ahiker in death valley begins the climb out of the valley from 150 feet below sea level. 5 minutes later the hiker is at 87.5 feet below sea level.
answer the questions above, .
worth 30 points

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

the answer is the third / last answer

step-by-step explanation: