In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(
, - 
)Find cos t.
A. - 
B. 
C. - 
D. 
Answer: D
Mathematics
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Place the correct symbol, < or >, in the blank between the decimals. -31.06 
-31.3
A. > B. <
Mathematics
Choose the equation that matches the graph.
A. 
- 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Use the formula v = r? to find the value of the missing variable. Give an exact answer unless otherwise indicated.r = 4 cm, ? = 
radian per sec
A. 
cm per sec
B. 
cm per sec
C. 12? cm per sec
D. 
cm per sec
Mathematics
Use the discriminant to decide whether the equation represents a parabola, an ellipse, or a hyperbola.6x2 - 3y2 + 3x + 10y + 2 = 0
A. Ellipse B. Hyperbola C. Parabola
Mathematics