Question

how
to know the value of sin 135
​

Answer 1

Step-by-step explanation:

I hope it's helpful to you

Answer 2

$\sin 135 \degree$

$= \sin(90 \degree + 45 \degree)$

Now, we know that,

$\sin(90 \degree + \theta) = \cos \theta$

So,

$\sin(90 \degree + 45 \degree)$

$= \cos 45 \degree$

$= \frac{1}{ \sqrt{2} }$