Question

1 + tan²theta=???????????????​

Answer 1

Answer:

1+tan²∅ = Sec²∅.

Step-by-step explanation:

IDENTITY:

Sec²∅-tan²∅ = 1

Sec²∅ = 1+tan²∅

Sec∅ = ±√1+tan²∅.

I hope it helps you!!!