Use Identities to find the exact value.cos 255°
A.
B. -
C. -
D.
Answer: D
Mathematics
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IT = 445 mA, I1 = 300 mA, and I2 = 15 mA. Find I4.
a. 115 mA
b. 145 mA
c. 285 mA
d. 130 mA
e. 165 mA
Mathematics
Rationalize the denominator.
A. 7 - 1
B. 7 + 7
C.
D. 7 - 7
Mathematics
Graph the function.f(x) =
A.
B.
C.
D.
Mathematics
Simplify the expression.8-2
A. -
B. -64
C.
D.
Mathematics