Find the exact value of the trigonometric expression without the use of a calculator.sin 250° cos 10° - cos 250° sin 10°
A. 
B. - 
C. - 
D. - 
Answer: B
Mathematics
You might also like to view...
Find the center and radius of the circle and sketch its graph.x2 + (y - 6)2 = 4
A. (h, k) = (6, 0), r = 2
B. (h, k) = (0, 6), r = 2
C. (h, k) = (-6, 0), r = 2
D. (h, k) = (0, -6), r = 2
Mathematics
Find the least common denominator.
, 
A. 45xy3 B. 45x3y C. 45x2y D. 45xy2
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.28x2 = -28x
A. x = - 1, x = 0 B. x = - 1, x = 28 C. x = - 1 D. x = 0
Mathematics
Graph the function.y = -tan (x - ?)
A. 
B. 
C. 
D. 
Mathematics