Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.sin 
cos 
(1 - 2 sin2 x)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the unit circle to find the value of the trigonometric function.sin 
A. undefined B. 0 C. -1 D. 1
Mathematics
Find the LCD for the pair of rational expressions.
, 
A. (x + 5)2 B. x(x + 5) C. x(x + 1)(x + 5) D. x(x + 5)2
Mathematics
Simplify.(8x6y4)2
A. 16x6y4 B. 64x12y8 C. 8x12y8 D. 8x8y6
Mathematics
?Analyze and sketch a graph of the function 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics