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


Ex 2.1, 3 Find the principal value of cosec−1 (2) Let y = cosec−1 2 cosec y = 2 cosec y = cosec (𝝅/𝟔) ∴ y = 𝝅/𝟔 Since Range of cosec-1 is [−π/2,π/2] – {0} Hence, Principal Value is 𝝅/𝟔.

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.