Question

verify the identity: (secθ+tanθ)(secθ-tanθ)=1

Answer 1

could you this one? @.Sam.

Answer 2

Use back the conversions,
\[\tan(x)=\frac{\sin(x)}{\cos(x)}~~~~and~~~~\cot(x)=\frac{\cos(x)}{\sin(x)}\]

Answer 3

and then do i cancel them out? @.Sam.

Answer 4

Yeah, if you can, just cancel.

Answer 5

thank you

Answer 6

Some notes ;)

Answer 7

:)