Question

if sin a=1/2,cosec b=2/√3,tanc =1 , then find cot(a+b-c)​

Answer 1

Answer:

-1

Step-by-step explanation:

sin a = 1/2 = sin 30 => a = 30

cosec b = 2/√3 = cosec 60 => b = 60

tan c = 1 = tan45 => c = 45

cot(30+60+45) = cot (90+45) = -tan 45 = -1