Establish the identity.csc 4 x - cot 4 x = csc 2 x + cot 2 x
What will be an ideal response?
csc 4 x - cot 4 x = (csc 2 x + cot 2 x)(csc 2 x - cot 2 x) = (csc 2 x + cot 2 x)(1) = csc 2 x + cot 2 x.
Mathematics
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Use the substitution formula to evaluate the integral.
A. 2 ln 3 B. 4 ln 2 C. 2 ln 2 D. -2 ln 2
Mathematics
Perform the indicated division.
A. y - 9
B. y + 
C. y2 + 9
D. y + 9
Mathematics
Use a spherical coordinate integral to find the volume of the given solid.The solid bounded below by the xy-plane, on the sides by the sphere 
and above by the cone 
A. 
?
B. 25?
C. 
?
D. 
?
Mathematics
Evaluate.4!
A. 24 B. 6 C. 48 D. 12
Mathematics