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If cos x = cos y and sin x = -sin y, then sin 2008 x + sin 2008 y =

If cos x = cos y and sin x = -sin y, then sin 2008 x + sin 2008 y =

Grade:12th pass

1 Answers

Arun
25757 Points
4 years ago
Dear student
 
if cos x = cos y and sin x = – sin y then itt means
 
x + y = 2pi
 
hence
 
sin 2008 x + sin 2008(pi – x) = sin 2008 x – sin 2008 x = 0

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