Solve.
= 8
A. 
B. 64
C. 8
D. 
Answer: C
Mathematics
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A. cos2x - tan2x B. 1 C. 0 D. -1
Mathematics
Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
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Use a graphing utility to graph the parametric equation.x(t) = t2 + 2, y(t) = 2t - 1, -3 ? t ? 3
A. 
B. 
C. 
D. 
Mathematics
In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(
, - 
)Find cos t.
A. - 
B. - 
C. 
D. 
Mathematics