1.

Find the value of the following: (a) (i) sin 48^(@)(ii) sin23^(@)26' (b)(i)cos20^(@) 10' (ii) cos16^(@) 11' ( c) (i) tan54^(@) 30' (ii) tan42^(@) 6' (d) (i) cot 131^(@) 20'(ii) cot46^(@) 26'.

Answer»


ANSWER :(a) (i) 0.7431 (II)0.3976
(B)(i)0.9387(ii)0.9604
(i) 1.4019 (ii) 0.9036
(d) (i) -0.8795 (ii) 0.9512


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