Establish the identity.sin (x + y) - sin (x - y) = 2 cos x sin y
What will be an ideal response?
sin (x + y) - sin (x - y) = sin x cos y + cos x sin y - sin x cos y + cos x sin y = 2 cos x sin y.
Mathematics
You might also like to view...
Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__10612191744__f1q51g7.jpg" alt="" style="vertical-align: -4.0px;" />
Rwhere R is the parallelogram bounded by the lines 
A. 
B. 
C. 
D. 
Mathematics
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the nail is 32 
.
A. cm B. m C. mm D. km
Mathematics
Provide an appropriate response.What is the LCD for 
and 
?
A. 150 B. 210 C. 1050 D. 175
Mathematics
Solve the inequality.
? -3
A. 
? x ? 4
B. x ? -4 or x ? 
C. -4 ? x < 0 or 0 < x ? 
D. -4 ? x ? 
Mathematics