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Grade: 12th pass 

                        
if cos2A= (a+bcosΠ)/acosΠ-b, then prove tan(A/2)=√(a-b)/√(a+b) tan(Π/2)
3 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8396 Points 
							Dear student

There is a problem in question kindly upload correct question

Regards
one year ago
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