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Grade: 11 

                        
If sinx/siny=a/B,then acotx+bcoty equals 11.{a+b}cot(x+y/2)2.{a+b}tan(x+y/2)3.{a+b}{tan(x/2)+tan(y/2)}4.{a+b}{cot(x/2)+cot(y/2)}
3 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8407 Points 
							Dear student

Please tell what is to be done with the question proof evaluation etc

Regards
one year ago
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