Question

plz help with this equation

Answer 1

proofs

Answer 2

\[\sec ^{2}\theta(1-\cos ^{2})=\tan ^{2}\]

Answer 3

@Hero

Answer 4

\[\sin^2x+\cos^2x=1\]

Answer 5

\[\sin^2x=1-\cos^2x\]

Answer 6

\[\sec^2x=\frac{ 1 }{ \cos^2x }\]

Answer 7

\[\tan^2x=\frac{ \sin^2x }{ \cos^2x }\]

Answer 8

Start replacing things and see what happens :)

Answer 9

k wait i will work on it and then tell u if i have anymore questions on this question. proofs needs a lot of practice i feel like every single problem is done so differently

Answer 10

It's all about manipulating the problem. Use this website http://www.sosmath.com/trig/Trig5/trig5/trig5.html .

Answer 11

thank you so much i got it!!but wait i will show u my work