If the sin 60° is square root 3 over 2, then the cos ° = . (4 points) 60° ; square root 2 over 2

60° ; 1

30° ; square root 3 over 2

30° ; 1 over 2

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.