Find the exact value of the expression using the provided information.Find cos(s + t) given that sin s = - 
, with s in quadrant IV, and 
with t in quadrant II.
A. - 
B. 
C. 
D. 
Answer: B
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Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 - 16x
A. 64; 
2
B. 0; 
2
C. 64; 
2
D. 64; 
2
Write the first four terms of the recursive sequence.a1 = 3, an = 3an - 1 - 5 for n ? 2
A. 3, 9, 27, 81 B. 3, 14, 47, 146 C. 3, 4, 22, 76 D. 3, 4, 7, 16
Establish the identity.csc2u - cos u sec u= cot2 u
What will be an ideal response?
Solve the problem.In a survey of 372 computer buyers, 168 put price as a main consideration, 204 put performance as a main consideration, and 52 listed both price and performance. How many computer buyers listed other considerations? How many looked only for performance?
A. 104; 204 B. 116; 152 C. 52; 204 D. 52; 152