Question

Trig /Pre Cal/ identities Does this equal each other?

\[ 1-cos x = sin x \] I know \[ 1-cos^2 x - sin^2 x \] does it work the same way??

Answer 1

Was suppose to be


Trig /Pre Cal/ identities Does this equal each other?

\[ 1-cos x = sin x \] I know \[ 1-cos^2 x = sin^2 x \] does it work the same way??

Answer 2

\[\large\rm 1-cos x \cancel= sin x \]
1 - cos^2 x = sin^2x

Answer 3

Ok thanks.

Answer 4

:-)