Perform the indicated operations and simplify.Let A = 
, B = 
, and C = 
. Find BC + 6?3.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.tan x = 1,
x in 
A. sin x = 
, cos x = 
B. sin x = - 
, cos x = - 
C. sin x = 
, cos x = - 
D. sin x = - 
, cos x = 
Mathematics
Simplify the expression.
A. 
B. 
C. 
D. 
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = 3t, y = t + 1; -2 ? t ? 3
A. y = x2 + 1; for x in -2 ? x ? 2
B. y = 
x + 1; for x in -6 ? x ? 9
C. y = -3x + 1; for x in -? < x < ?
D. y = 
x - 1; for x in -? < x < ?
Mathematics
For the given vectors u and v, evaluate the expression.u = 
, v = 
Find 4u - 4v.
A. 
B. 
C. 
D. 
Mathematics