Use a sum or difference identity to find the exact value.sin 260° cos 20° - cos 260° sin 20°

A.
B. - 
C. - 
D. - 


Answer: C

Mathematics

You might also like to view...

Solve.A 51-foot piece of wire is cut into two pieces. One piece is twice as long as the other. Find the lengths.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the equation for ? if . ? 

A. 30°, 90° B. 30°, 330° C. 210°, 270° D. 0°, 60° E. 150°, 210°

Mathematics

Fill in the blank with the appropriate inequality symbol, < or >, to make a true comparison statement.4 ___ 1

A. > B. <

Mathematics

Solve the problem.Roger bought 5 rose plants at $9 each, 3 begonias at $3 each, and at $7 each. Find the total cost of the plants.

A. $35 B. $1260 C. $110 D. $304

Mathematics