Find a cofunction with the same value as the given expression.sin 67°
A. tan 23°
B. cos 23°
C. cot 23°
D. cos 67°
Answer: B
Mathematics
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Using Green's Theorem, find the outward flux of F across the closed curve C.F =(x2 + y2)i + (x - y)j ; C is the rectangle with vertices at (0, 0), (10, 0), (10, 5), and 
A. 300 B. -200 C. 550 D. 450
Mathematics
Write the number in standard form.2.0365 × 10-7
A. 0.0000020365 B. -203,650,000 C. 0.000000020365 D. 0.00000020365
Mathematics
Find the solution set of the system.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Simplify. Write your answer with positive exponents only.
A. 
B. 
C. 
D. 
Mathematics