Establish the identity.
+ 
= 2 tan 2 x
What will be an ideal response?
+ 
= 
= 
= 2 tan2 x.
Mathematics
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Find the value of df-1/dx at x = f(a).f(x) = 2x2, x ? 0, a = 6
A. 
B. 
C. 24
D. 
Mathematics
Convert to base ten.555six
A. 215 B. 110 C. 82 D. 1000
Mathematics
Perform the indicated operation. If possible, simplify.Simplify: 
A. tan x B. sin x C. sec x D. csc x
Mathematics
Write a third-degree polynomial equation with real coefficients and the roots 7 - i, -2. ?
A. 
B. 
C. 
D. 
E. none of these
Mathematics