Simplify the expression by using a sum or difference identity.cos 
cos 
- sin 
sin 
A. 
B. 
C. 1
D. 
Answer: B
Mathematics
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Tell whether the statement is true or false.Let A = {5, 6, 7, 8, 9, 10}, B = {7, 9, 11}, C = {5, 6, 8, 10}, D = {5, 10}, and 
C ? A
A. True B. False
Mathematics
Find the definite integral by computing an area.
A. 128 B. 16 C. 32 D. 64
Mathematics
Simplify the algebraic expression by collecting and combining like terms.4x - 3y - 7x - 8y
A. 4x - 7x - 3y - 8y B. -3x - 11y C. -11x - 3y D. -14xy
Mathematics
For the point-slope equation given, state the slope and the point on the graph used in creating the equation.y + 2 = -8(x - 1)
A. m = -8; (-1, -2) B. m = -8; (-1, 2) C. m = -8; (1, -2) D. m = -8; (1, 2)
Mathematics