Use the fundamental identities to find the value of the trigonometric function.Find sin ?, given that cos ? = 
and ? is in quadrant IV.
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Make the graph of 
. Use a horizontal span of 0 to 5.
What will be an ideal response?
Mathematics
Simplify. Assume that all variables represent any real number.
A. -7x
B. -7
C. 7
D. 7x
Mathematics
Sketch the graph of f.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for the given replacement values.x2 + y2
when x = 9 and y = -5
A. 90 B. 2025 C. 106 D. 28
Mathematics