Understanding notation

[Helenam]

Hi. I’m not sure if (sin^2)x means (Sinx)^2 or sin(x^2). Can someone please clarify this for me. Thanks.

 

[Harry_the_cat]

the first one (sinx)^2

The only exception to that is when the index is -1.

 

[Helenam]

Thanks. I hope I can solve my problem now.