Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.cos ? = 
, tan ?> 0 Find sin 2?.
A. - 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 4 sin t - sin 4t, y = 4 cos t - cos 4t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Find the product and simplify, if possible.
? 
A. 
B. 
C. 2
D. 4
Mathematics
Factor completely.t2 + 
t + 
A. 
B. 
2
C. 
2
D. Prime
Mathematics
Find all values that make the expression undefined.
A. 0.25 B. 4 C. Never undefined D. 0
Mathematics