Determine whether the equation is an identity. If it is an identity, prove it.cot2 x = (csc x - 1)(csc x + 1)
What will be an ideal response?
The statement is an identity.
(csc x - 1)(csc x + 1) = csc2 x - 1 = 1 + cot2 x - 1 = cot2 x
Mathematics
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Find the derivative at each critical point and determine the local extreme values.y = x2
A. 
B. 
C. 
D. 
Mathematics
Find the least common denominator.
, 
, 
A. 40xy B. 24xy C. 60xy D. 120xy
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Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. -1
Mathematics
Find the area.
A. 15
m2
B. 19 m2
C. 9
m2
D. 7
m2
Mathematics