Factor the trinomial completely.15x2 + 25x + 10
A. (5x + 2)(3x + 5)
B. (x + 2)(15x + 5)
C. (3x + 2)(5x + 5)
D. (3x - 2)(5x - 5)
Answer: C
Mathematics
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D. 
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Use the given information to find the exact value of the trigonometric function.sin ? = 
, tan ? > 0
Find cos 
.
A. 
B. 
C. 
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