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teachoo.com
Example 2 - Find principal value of cot-1 (-1/root 3) - Examples
Example 2 (Method 1)Find the principal value of cot–1 ((−1)/√3)Let y = cot−1 ((−1)/√3) y = 𝜋 − cot−1 (1/√3)y = 𝜋 − 𝛑/𝟑 y = 𝟐𝛑/𝟑Since range of cot−1 is (0, π)Hence, Principal Value is 𝟐𝛑/𝟑Example 2 (Method 2)Find the principal value of cot–1 ((−1)/√3)Let y = cot−1 ((−
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