Ex 2.1, 3 - Find principal value of cosec-1 (2) - Inverse

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Ex 2.1, 3 Find the principal value of cosecโˆ’1 (2) Let y = cosecโˆ’1 2 cosec y = 2 cosec y = cosec (๐…/๐Ÿ”) โˆด y = ๐…/๐Ÿ” Since Range of cosec-1 is [โˆ’ฯ€/2,ฯ€/2] โ€“ {0} Hence, Principal Value is ๐…/๐Ÿ”.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo