Simplify.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine the symmetries of the curve.r = 2 + 3 cos ?
A. Origin only B. x-axis only C. y-axis only D. No symmetry
Mathematics
Identify the equation as either an identity or not.sin 
= sin A + cos A
A. Identity B. Not an identity
Mathematics
Use a calculator to find the function value to four decimal places.sin(1.57)
A. 1 B. 0.2722 C. 0.9622 D. 0
Mathematics
Translate the following statement to an expression or equation. Use x to represent the unknown value. Do not simplify or solve.The quotient of a number and 3, minus the product of 9 and the number is equal to the number plus 12.
A. 9x - 
= x + 12
B. 
- 9x = x + 12
C. 
= x + 12
D. 
+ 9x = x - 12
Mathematics