Prove the identity.tan2x = sec2x - sin2x - cos2x
What will be an ideal response?
tan2 x = sec2 x - 1 = 
= 
Mathematics
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Find the derivative of the function.y = (x + 1)2(x2 + 1)-3
A. 
B. 
C. 
D. 
Mathematics
Solve the system.y = log4(-x)y = log4(x + 8)
A. {(-4, 2)} B. {(4, 2)} C. {(-2, 1)} D. {(-4, 1)}
Mathematics
Solve the problem.Let f(n) = 
- 
. What is f(n) approximately equal to as n gets large? Hint: Compute various examples on your calculator.
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.r2 - 6r + rt - 6t
A. (r - 6)(r - t) B. rt(r - 6) C. (r - 6)(r + t) D. (r + 6)(r - t)
Mathematics