Question

if 102= cot(a-18°).find value of a

Answer 1

1. Answer:  Step-by-step explanation:  The correction question is :- cot (a - 18) = tan2a     ( not 102 ) Therefore, cot (a - 18) = cot (90 - 2a) a - 18 = 90 - 2a a + 2a = 90 +18 3a = 108 a = 108/3 a = 36  Hope it helps