Question

sec^4x = (1+tan^2x) (sec^2x)

Please Help Me

Answer 1

with? Trig identities?

Answer 2

yes

Answer 3

1+tan^2x is sec^2x

Answer 4

Understood that?

Answer 5

yes

Answer 6

what is sec^4x

Answer 7

is it 1+tan^4x

Answer 8

since 1+tan^2x=sec^2x
sec^2x x sec^2x= sec^4x

Answer 9

\( \large sec^4x = (1+tan^2x) (sec^2x) \)




\( \large \frac{h^4}{a^4} = (1 + \frac{o^2}{a^2} )(\frac{h^2}{a^2})\)

\(\large h^4 = (a^2 +o^2)h^2 = h^2.h^2\)

Q.E.D.