Decide whether the expression is or is not an identity.tan (A + 
) = -cot A
A. Identity
B. Not an identity
Answer: A
Mathematics
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Solve the equation 
for y.
?
A. There is no solution.
B. 
C. ?
D. ?
Mathematics
Provide an appropriate response. Determine the radian measure of ? if sin ? = 0.5546 rounded to the nearest ten-thousandth.
A. 0.5064 rad B. 0.5879 rad C. 0.9829 rad D. 33.6832 rad
Mathematics
Represent the shaded area in the figure group with an improper fraction.
A. 
B. 
C. 
D. 
Mathematics
Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = 
,B = 
A. B ? A-1 B. B = A-1
Mathematics