Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.tan ? = 
, 0 < ? < 
Find cos 2?.
A. 
B. 
C. - 
D. - 
Answer: C
Mathematics
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Find an equation of the parabola described.Focus at (5, 0); vertex at (0, 0)
A. y = 20x2 B. x = 20y2 C. x2 = 20y D. y2 = 20x
Mathematics
Given f(x) and g(x), find the indicated composition.f(x) = 
; g(x) = x - 8Find (g ? f)(x).
A. (g ? f)(x) = 
B. (g ? f)(x) = 
- 8
C. (g ? f)(x) = 
D. (g ? f)(x) = 
- 8
Mathematics
Graph the function.y = 
cot x
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to find the logarithm. Give an approximation to four decimal places.ln 0.982
A. 0.0079 B. -0.0079 C. -0.0182 D. 0.0182
Mathematics