CFISD Schoology
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GRADE REPORT
Unit 7-2 TEST - Trigonometry
Which of the following is equivalent to cos ZR ?
t
C.
t
A.
a
t
a
r
r
D.
B.
t
a

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.