Question

-tan^2x + sec^2x=1

Answer 1

Do you need to prove this identity?

Answer 2

Yes

Answer 3

Rewrite tan x and sec x in terms of sin x and cos x.
Then multiply both sides by \(\cos^2 x\)

Answer 4

Sec^2x=1/cos^2x

Answer 5

yes.
what about tan?
what is tan in terms of sin and cos?

Answer 6

I'm not sure😓

Answer 7

NO

Answer 8

U GAYY