If sin x=-√2/2 and cos x=√2/2 the measure of angle x is

Step-by-step explanation:

We have,

Applying on both sides of equation (i) we get :

We know that,

So,

Also,

So,

Similarly,

Applying on both sides of equation (ii) we get :

We know that,

The cosine function is positive in the first and fourth quadrant.

So,

answer: i'm not sure

step-by-step explanation:

2nd one in the first row is correct