# Math Help - silly question - does cos^2 x = (cos x)^2

1. ## silly question - does cos^2 x = (cos x)^2

That is the whole silly question

Does cos^2 x = (cos x)^2

I guess I am getting tired b/c even the easy ones are confusing me.

Thanks

Calculus Beginner

2. Originally Posted by calcbeg
That is the whole silly question

Does cos^2 x = (cos x)^2

I guess I am getting tired b/c even the easy ones are confusing me.

Thanks

Calculus Beginner

Yup

3. Originally Posted by calcbeg
That is the whole silly question

Does cos^2 x = (cos x)^2

I guess I am getting tired b/c even the easy ones are confusing me.

Thanks

Calculus Beginner
yes ...

$\cos^2{x} = (\cos{x})^2 = (\cos{x})(\cos{x})$