Question

If cos A = 1 /√2 then A = ? *​

Answer 1

Answer:

$if \: cosa = \frac{1}{ \sqrt{2} } = \frac{\pi}{4} = a$

Answer 2

Answer:

A=45°

Step-by-step explanation:

GIVEN:-

$\cos(A) = \frac{1}{ \sqrt{2} }$

SOLUTION:-

$\cos(A) = \cos(45)$

$A= 45$

HOPE THAT HELPS!!