Find the exact value under the given conditions.sin ? = - 
, 
< ? < 2?; tan ? = - 
, 
< ? < ?Find cos (? + ?).
A. 
B. 
C. 
D. - 
Answer: A
Mathematics
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Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 1
C. 
D. 
Mathematics
Provide an appropriate response.How could you solve the equation(7x + 5)(2x - 9)(8x - 6) = 0? How many equations do you need to solve? What are their solutions?
What will be an ideal response?
Mathematics
Multiply.(8 - 8i)(6 + 5i)
A. 88 - 8i B. 88 + 8i C. -40i2 - 8i + 48 D. 8 - 88i
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.1251/3
A. 1875 B. 15 C. 625 D. 5
Mathematics