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Show that Ltx->0 sin(a+bx)-sin(a-bx)/x=2bcosa........

Show that Ltx->0 sin(a+bx)-sin(a-bx)/x=2bcosa........
 

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Dear Pranav
 
Use sin C - sin D = 2 cos (C+D)/2  sin (C-D)/2
 
You will surely get your answer.
 
Regards
Arun (askIITians forum expert)

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