Establish the identity.(cos ? + sin ?)2 + (cos ? - sin ?)2 = 2(cos2? + sin2?)
What will be an ideal response?
(cos ? + sin ?)2 + (cos ? - sin ?)2 
Mathematics
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Change the logarithmic expression to an equivalent expression involving an exponent.log5
= -2
A. 525 = 2
B. 
2 = 5
C. 5-2 = 
D. 25 = 
Mathematics
Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.
A. x9/8
B. x1/2
C. 
D. x
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 7x7y8 
B. 7x3y4 
C. 7x3y4 
D. 7y4 
Mathematics
Use a graphing calculator to find f'(x) when x has the given value.f(x) = 3
; x = 100
A. 
B. - 
C. 
D. Undefined
Mathematics