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Question No. 1
1 Views • Sep 17, 2015
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Question No. 1
Q1: Show that
(i) =4 sin/2 sin/2 sin/2
(ii) =4 cos /2 cos /2 cos /2
R.H.S=4 cos /2 cos /2 cos /2
=4(/4∆)(√((−)/))(√((−)/))(√((−)/))
=(/∆) (√((−)(−)(−) ))/
=∆/∆
Application of Trigonometry
Chapter No 12
Exercise No 12.8
Mathematics
part 1
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