Prove the identity.tan2x + cos 2x = 1 - cos 2x tan2x
What will be an ideal response?
Answers may vary. One possible solution is:
tan2x + cos 2x = 
+ (1 - 2 sin2 x)
= 
= 
= 
= 1 - cos 2x tan2x.
Mathematics
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Graph the inequality.y ? 7 
A. 
B. 
C. 
D. 
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A. b
B. b4
C. 
D. 2b
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A. C(0, 0), 
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