The given point lies on the graph of the unit circle and corresponds to a real number t. Find the value of the indicated trigonometric function of t.
Find cot t.
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximative value rounded to 2 decimal places.
A. irrational, 2.45 B. rational, -5 and 5 C. not a real number D. rational, 5
Mathematics
Use the method of adding y-coordinates to graph the function.g(x) = cos x + cos (2x)
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume all variables represent positive numbers.
+ 
- 
A. - 
B. 1
C. 
D. 1
Mathematics
Give the equation of the horizontal asymptote, if any, of the function.f(x) = 
A. no horizontal asymptotes B. y = -16 C. y = -1 D. y = 0
Mathematics