Decide whether the equation is or is not an identity.sin (A + 4?) = cos (A + ?)
A. Identity
B. Not an identity
Answer: B
You might also like to view...
Answer the question.A tree casts a shadow 40 meters long. At the same time, the shadow cast by a vertical 5 meter stick is 10 meters long. Find the height of the tree.
A. 
B. 50
C. 20
D. 80
Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.(x-2y4)-2
A. 
B. 
C. 
D. 
Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.x = y - 6(0, ), ( , 0), (4, )
A. (0, 6), (-6, 0), (4, 10)
B. (0, 6), (6, 0), (4, 2)
C. (0, -6), (-6, 0), (4, -10)
D. (0, -6), (6, 0), (4, -2)
Find the area of the shaded region. Write the answer as a polynomial in descending powers of x.
6x + 4
A. 39x2 - 16 B. 33x2 + 16 C. 36x2 - 3x - 16 D. 33x2 - 16