Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = - 
, 
< ? < 2? and cos ? = - 
, ? < ? < 
, find the exact value of sin (? - ?).
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate response.A friend suggests that the simplest way to evaluate P(0) for the polynomial 
is to set c = 0 and use synthetic division. Do you agree? Explain.
What will be an ideal response?
Solve the problem. When needed, use 365 days per year and 30 days per month.An initial investment of $1000 is appreciated for 6 years in an account that earns 9% interest, compounded semiannually. Find the amount of money in the account at the end of the period.
A. $695.88 B. $1695.88 C. $1677.10 D. $1622.85
Find the exact value of the product.cos 135° cos 45°
A. 1
B. 
C. - 
D. 2
Find the domain of the variable in the equation. Write the answer in interval notation.(1 - y) + 5y = 15 - 10(y - 1)
A. (-?, -5) ? (10, ?) B. (-?, 0) C. (-?, ?) D. (0, ?)