Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°
A. 
B. 
C. - 
D. - 
Answer: B
You might also like to view...
Determine which, if any, of the three statements are equivalent.I) Gasoline costs $1.99 per gallon if and only if you live in Cook County.II) You do not live in Cook County and gasoline does not cost $1.99 per gallon.III) If you do not live in Cook County then gasoline does not cost $1.99 per gallon and if gasoline does not cost $1.99 per gallon then you do not live in Cook County.
A. I and II are equivalent B. I and III are equivalent C. II and III are equivalent D. None are equivalent
Solve.4x = 256
A. 4 B. 2 C. 3 D. 64
Solve the problem.Candy and Delvis are riding bicycles in the same direction. Candy is traveling at a speed of 9 miles per hour, and Delvis is traveling at a speed of 14 miles per hour. In 2 hours what is the distance between them (assuming that they began at the same point and time)?
A. 7 mi B. 11 mi C. 10 mi D. 19 mi
Match the graph to one of the polar equations. 
A. r = 6 sin ? B. r = 3 + cos ? C. r = 3 + sin ? D. r = 6 cos ?