Given:
A. sin(x)
B. cos(x)
C. cos(y)
D. sin(y)
Use...
Mathematics, 30.10.2020 01:00, starswarsfan
Given:
A. sin(x)
B. cos(x)
C. cos(y)
D. sin(y)
Use the drop-down menus in the derivation of the sine sum identity:
sin(x + y)
= cos (StartFraction pi Over 2 EndFraction minus (x + y))
= Cosine ((StartFraction pi over 2 EndFraction minus x) minus y)
= Cosine (StartFraction pi Over 2 EndFraction minus x)
A
+ Sine (StartFraction pi Over 2 EndFraction minus x)
A
sin(x)cos(y) + cos(x)sin(y)
Answers: 3
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