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CBSE Class 10 Answered

if a=60degree,b=30degree
Asked by dipsy arora | 13 Sep, 2010, 06:25: PM
answered-by-expert Expert Answer
Hello,
If a =60 
and b = 30.
 
then a +b = 90
 
LHS:
Sin 90 = 1 ;
 
RHS:
Sin 60 Cos 30 + Cos 60  Sin 30 
= (3/4) +(1/4)
=1
 
 
Hence,
LHS = RHS
Answered by | 13 Sep, 2010, 09:16: PM

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