Complete the identity.
= ?
A. tan ? + tan ?
B. tan ? + tan ?
C. -tan ? + cot ?
D. cot ? + cot ?
Answer: B
Mathematics
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Which formula expresses the measure of each angle in an n-sided polygon? ?
A.
?180(n - 2)
B.
?180(n + 2)
C.
?
D.
?180(n - 2) ÷ 2
E.
?The number of sides decreased by two is divided by the number of sides.
Mathematics
Reduce the fraction to simplest form.
A. x2 + a2 B. x2 - ax + a2 C. Cannot be simplified D. x2 + ax + a2
Mathematics
Find functions f and g so that f ? g = H.H(x) = |4 - 3x2|
A. f(x) = |x|; g(x) = 4 - 3x2 B. f(x) = 4 - 3x2 ; g(x) = |x| C. f(x) = x2 ; g(x) = 4 - 3|x| D. f(x) = 4 - 3|x|; g(x) = x2
Mathematics
Multiply and simplify.
? 
A. 21z
B. 
C. 
D. 
Mathematics