Solve the equation by using sum-to-product identities in the interval [0, 2?).sin2x - sin4x = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 
, y = s - 8, 1 < s < 10
A. y = 5 - 
B. y = 5 - 
C. y = 
- 8
D. y = 
- 8
Mathematics
Solve the problem.
=
A. 10!
B. 1
C. 102
D. 
E. none of these
Mathematics
Convert as indicated.26 ounces to pounds
A. 1
lb
B. 1 lb
C. 1
lb
D. 2
lb
Mathematics
Determine the domain and the range of the function.f(x) = x2 + 2x - 8
A. domain: all real numbers range: {y|y ? 9} B. domain: range: {x|x ? 1} range: {y|y ? 9} C. domain: range: {x|x ? 1} range: {y|y ? -9} D. domain: all real numbers range: {y|y ? -9}
Mathematics