Verify the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
sin(? - ?) cos (? + ?) = (sin ? cos ? - cos ? sin ?)(cos ? cos ? - sin ? sin ?) 
= sin ? cos ? - sin ? cos ?
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Subtract and simplify. Write the answer as a mixed number if possible.15
- 
A. 13
B. 14
C. 15
D. 14
Find the center and radius and draw the graph.(x + 5)2 + (y + 5)2 = 25
A. 
center (-5, 5); radius 5
B. 
center (-5, -5); radius 5
C. 
center (5, 5); radius 5
D. 
center (5, -5); radius 5
Solve the problem.The height of an object dropped from a tall building is given by the table, where t is the elapsed time in seconds and h is the height in feet.
If the height is modeled by h(t) = h0- 16t2, find h0.
A. 500 ft B. 1000 ft C. 2000 ft D. 1500 ft
Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = 
t, y = 2t - 5; -3 ? t ? 6
A. y = 6x + 5; -1 ? x ? 2
B. y = 
x - 5; -9 ? x ? 18
C. y = x - 5; -3 ? x ? 6
D. y = 6x - 5; -1 ? x ? 2