Use the Pythagorean identity.Find cos ?, given that sin ? = 
and ? ? ? < 2?
A. - 
B. 
C. - 
D. 
Answer: A
Mathematics
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Find the area.Find the area of the region bounded by the curve y = 6x-2, the x-axis, and on the left by x = 1.
A. 3 B. 36 C. 6 D. 12
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Classify the angle as acute, right, obtuse, or straight.
A. Acute B. Straight C. Right D. Obtuse
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Plot the complex number in the complex plane.-2 + 2
i 
A. 
B. 
C. 
D. 
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Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
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