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Grade: 11
        Chapter:inverse trigonometry: solve the below                 Tan–1(n)-Tan–1(n²+n+1)+cot–1=0
7 months ago

Answers : (1)

Arun
13084 Points
							Use the formula for both the tan inverse terms and simplify it. You will be able to get cot inserve term which is the negative of the term which is existing already
						
7 months ago
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