maths trignometry question sp
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kuldeeplcw:
nhi hua kya
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I HOPE THAT THIS WILL HELP YOU.
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first step k numerator m +2sino aur -2coso kaise aa gya
o is theta
(a+b+c)^2 = a^2 + b^2 + c^2 + 2ab + 2bc + 2ca
iss rule ko apply karo...
oh. sorry sorry i mistaken it
thank u by the way
U r welcome.
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