Find the exact value by using a sum or difference identity.tan 105°
A. -2 - 
B. 
C. 2 + 
D. 
Answer: A
Mathematics
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Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.
A. A = 44°, B = 79°, C = 57° B. A = 57°, B = 79°, C = 44° C. A = 57°, B = 44°, C = 79° D. A = 44°, B = 57°, C = 79°
Mathematics
Solve the logarithmic equation.ln x - ln (x - 7) = ln 9
A. 
B. 2
C. No solution
D. 
Mathematics
Perform the matrix operation.Given A = 
and B = 
, find AB.
A. 
B.
C. 
D. 
Mathematics
Use the slope and y-intercept to graph the linear function.F(x) = 
x
A. 
B. 
C. 
D. 
Mathematics