Tan^2a-cot^2a = sec^2a (1-cot^2a) prove

See explanation

Step-by-step explanation:

Use the definitions:

Now,

and

As you can see, left and right parts simplify to the same expression, so left and right parts are the same.

your answer is b ^w^ hope i

after going and makeing graphs i would go with a,

there is nothing that is matches the graph. if there was i would show you. but therefore my answer is a.

hope i

-lavira: )