Evaluate
a) sin (4pi/3)
b) cos (5pi/6)

(40 points) i need some . an answer definition is appreciated as well.

Match each equation with the operation you can use to solve for the variable. 1 subtract 10 2 divide by 10 3add 18 4add 10 5 subtact 18 6multiply by 5. 7multiply by 10. a 5 = 10p b p + 10 = 18 c p + 18 = 5 d 5p = 10

Ineed with number 6 , explain how to get 1978