Find the exact value of the trigonometric expression without the use of a calculator.sin 255° cos 15° - cos 255° sin 15°

A. - 
B. - 
C. - 
D.

Answer: B

Mathematics

You might also like to view...

Graph the line.-4x - 8y = 24

A.

B.

C.

D.

View
Mathematics

Graph the circle.(x - 3)2 + y2 = 4

A.

B.

C.

D.

View
Mathematics

Multiply and, if possible, simplify. ? 

A.
B.
C.
D.

View
Mathematics

Factor completely. If prime, so state.x2 + t2

A.
B. prime
C. (x + t)(x + t)
D. (x - t)(x + t)

View
Mathematics