Question

1+tan theta = root 2,cot theta - 1=

Answer 1

Answer:

1 + tan∅ = √2

tan∅ = √2 - 1

1/cot∅ = √2 - 1

cot∅ = 1/(√2-1)

rationalise it

cot∅ =(√2+1)

in question we have to find

cot∅ - 1

then

cot∅ - 1 = √2 + 1 -1

cot∅ - 1 = √2

hope this will help you