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 sin t.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Assume that the sequence converges and find its limit.a1 = 4, an + 1 = 
A. -4 B. 16 C. 4 D. 1
Mathematics
Find all solutions of the equation. Express the solution in radians.cos x = 
A. 
+ 2n? or 
+ 2n?
B. 
+ 2n? or 
+ 2n?
C. 
+ 2n? or 
+ 2n?
D. 
+ 2n? or 
+ 2n?
Mathematics
Find the root. If the root is not a real number, so state. 
A. -625 B. 5 C. -5 D. not a real number
Mathematics
Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Mathematics