1.

If 2A is not an integral multiple of pi, then show that i) cot A+tan A=2"cosec " 2A ii) cot A-tan A=2 cot2A and deduce the values of tan52 1^(@)/2 and tan37 1^(@)/2

Answer»


ANSWER :`:. tan 52 (1^(0))/2 = sqrt(6) +sqrt(4) - sqrt(3) - sqrt(2)`


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