Use the fundamental identities and appropriate algebraic operations to simplify the expression.
+ cos x sec x
A. csc2 x
B. csc x
C. sec2 x
D. cot2 x
Answer: A
Mathematics
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Decide where the first digit in the quotient would be located. Then without finishing the division, determine which of the three choices is the correct answer.
A. 27 R 413 B. 270 R 413 C. 2700
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Use the given graph to find the x-intercepts and zeros of the function.
A. (-4, 0), (-2, 0); -4, -2 B. (-2, 0), (4, 0); -2, 4 C. (2, 0), (4, 0); 2, 4 D. (-4, 0), (2, 0); -4, 2
Mathematics
Graph.y = (x + 3)2 
A. 
B. 
C. 
D. 
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Identify the quadrant with the given condition.The coordinates have the same sign.
A. III and IV B. I and II C. I and III D. II and IV
Mathematics