Use the given information to find the exact value of the expression.tan ? = 
, ? lies in quadrant III, and cos ? = - 
, ? lies in quadrant II
Find sin (? + ?).
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Translate the argument into symbolic form. Then use a truth table to determine whether the argument is valid or invalid. (Ignore differences in past, present, and future tense.)If it is July or August, then I am living at the beach
? It is neither July nor August.
What will be an ideal response?
Mathematics
Find the prime factorization of the number. If the number is prime, state this.180
A. 2 ? 2 ? 3 ? 3 ? 5 B. Prime C. 2 ? 3 ? 3 ? 3 ? 5 D. 3 ? 3 ? 5 ? 5
Mathematics
Factor the trinomial completely.x5 + 2x4 - 15x3
A. x3(x - 5)(x + 3) B. x3(x + 5)(x - 3) C. (x4 + 5x3)(x - 3) D. (x2 - 5)(x3 + 3)
Mathematics
Graph the solution set of the system of inequalities.y > -2x ? -3
A. 
B. 
C. 
D. 
Mathematics