Perform the indicated operation and write the answer in simplest form.- 
? 
A. - 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 
A. -1 + 
B. -1 - 
C. 1 + 
D. 1 - 
Mathematics
Use the Zero Exponent Rule to simplify. All variables are nonzero.-6xy0
A. -6x B. 1 C. -6 D. -1
Mathematics
Let 
. Find the value of the function.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the system of equations by the substitution method.
A. (7, 0) B. (0, 7) C. infinite number of solutions D. no solution
Mathematics