Find the exact value of the expression.cos 
A. 
B. 
C. 
D. 
Answer: A
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Solve using the multiplication principle.2x ? 10
A. {x
x > 5}
B. {x
x ? 5}
C. {x
x < 5}
D. {x
x ? 5}
Complete the identity.
+ 
= ?
A. 1 + cot ? B. sin ? tan ? C. sec ? csc ? D. -2 tan2 ?
Establish the identity.
+ 
= 2 csc x
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Which approach to development suggests that there are five levels of the environment that simultaneously influence individuals?
A. Piaget's cognitive approach B. Bronfenbrenner's bioecological approach C. Skinner's behavioral approach D. Freud's psychoanalytic approach