Question

Cos45 value 1/√2 hai
but how
plz explain guys​

Answer 1

Answer:

yahi hota hai

Explanation:

good morning

Answer 2

Answer:

Your answer

Ek triangle hai

I side =1 cm

2nd side=1cm

3rd side (hypotenuse)^2 = side1^2 +side2^2

........ =

$\sqrt{2}$

Cos theta = adjacent /hypotenuse

That comes out to be

Cos 45=1/root 2