Use the product-to-sum formulas to rewrite the expression as the sum or difference of two functions.sin 7? cos 4?

A.  cos 11? -  cos 3?
B.  sin 11? +  cos 3?
C.  sin 11? +  sin 3?
D. sin cos 28?2

Answer: C

Mathematics

You might also like to view...

Give an appropriate answer.If f(x, y, z) = exyz find fz(x, y, z).

A. zexyz B. xyez C. xyexyz D. xyzexyz

View
Mathematics

Find the angle between the pair of vectors to the nearest tenth of a degree.7i - 5j, 2i - 7j

A. 114.4° B. 42.0° C. 38.5° D. 126.9°

View
Mathematics

Name the property illustrated by the statement.(6) = 1

A. multiplicative inverse property B. associative property of multiplication C. distributive property D. identity element for multiplication

View
Mathematics

Compute the product.

A.  

B.  
C.

D.

View
Mathematics