1.

Find the principal values of each of the following:(i) cot-1(-3)(ii) cot-13(iii) cot-1-13(iv) cot-1tan3π4

Answer» Find the principal values of each of the following:



(i) cot-1(-3)

(ii) cot-13

(iii) cot-1-13

(iv) cot-1tan3π4


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