Find the exact value using a double-angle identity.sin(480°)
A. - 
B. 
C. -1
D. 
Answer: D
Mathematics
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Find the product.(13csc ? - 7)(13csc ? + 7)
A. 169csc2? - 49 B. 169m2 + 182 csc ? - 49 C. 169m2 - 182 csc ? - 49 D. 169csc2? - 49 csc ?
Mathematics
For the given arithmetic sequence, find the specified term an and the sum of the terms from a1 to an, inclusive.-10, -6, -2, 2, ... ; find a13
A. 38; 312 B. 38; 364 C. 13; -182 D. 38; 182
Mathematics
Complete the trinomial so it is a perfect square.x2 + 
x + 
A. 
B. 
C. 196
D. 
Mathematics
Factor.6x2 + 59x + 45
A. (6x + 5)(x + 9) B. (6x - 36)(x + 9) C. (x + 5)(x + 9) D. (x - 36)(x + 9)
Mathematics