Factor the trigonometric expression and simplify.1 - 2 sin2x + sin4x
A. sin2x
B. cos4x
C. (1 - sin2x)
D. (1 + tan2x)
Answer: B
Mathematics
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Evaluate the integral.
A. sin-1 
B. cos-1 
C. 9 cos-1 
D. 
sin-1 
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Find the exact value by using a half-angle identity.cos 
A. 
B. 
C. 
D. 
Mathematics
Plot the point in the rectangular coordinate system.(-1, 0)
A. 
B. 
C. 
D. 
Mathematics
Simplify.[6 ÷ (10 - 4) + 72] - [4 - (-1)]2
A. 65 B. 25 C. 35 D. 33
Mathematics