Establish the identity.cot(x + y) cot(x - y) = 
What will be an ideal response?
cot ( x + y) cot (x - y) = 
? 
= 
.
Mathematics
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Find the grade point average for a student earning the following grades. Assume 
and 
Round answer to the nearest hundredth.
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A. 3.00
B. 2.00
C. 4.00
D. 7.80
Mathematics
Evaluate the function.Find f(3) if f = {(-2, 3), (3, 0), (0, 5), (5, -2)}
A. None of these B. 0 C. (0, -2) D. -2
Mathematics
Fill in missing table value.The following table provides data showing how yearly premiums for car insurance increase with an accident on record.
A. 
B. 
C. 
D. 
Mathematics
Add and, if possible, simplify.- 
x + 
x
A. 
x
B. 
x
C. - 
x
D. - 
x
Mathematics