Perform the calculation.90° - 38°21'
A. 52°21'
B. 51°39'
C. 51°21'
D. 52°39'
Answer: B
Mathematics
You might also like to view...
Solve the problem.Find a field G = P(x, y)i + Q(x, y)j in the xy-plane with the property that at any point (a, b) ? (0, 0), G is a vector of magnitude 
tangent to the circle x2 + y2 = a2 + b2 and pointing in the clockwise direction.
A. xi + yj B. xi - yj C. -yi + xj D. yi - xj
Mathematics
A card is drawn randomly from a standard 52-card deck. Find the probability of the specified event. The card is a heart.
A. 
B. 
C. 
D. 
Mathematics
Determine the sign of the trigonometric function.tan 684°
A. Positive B. Negative
Mathematics
Find the domain of the function.f(x) = ln (9x - x2)
A. 0 < x < 9 B. -9 ? x < 0 C. -9 < x < 9 D. x ? 9
Mathematics