1 Answer

HelloSadness · Answer 1 · 2022-11-06T17:27:02+0000

Answer:
(1)/(√(2))

Explanation:

The value of
$\cos 45^(\circ)$ is the fixed value i.e.
(1)/(√(2))

The values of cosine changes from a maximum at
$0^(\circ)$ to a minimum at
$180^(\circ)$

for example,
$\cos 0^(\circ)=1, \quad \cos 90^(\circ)=0,\quad \cos 180^(\circ)=-1$

Please log in or register to add a comment.