Post a New Question

Calc

posted by on .

Which expression is equivalent to (sin x + 1)(sin x − 1)?


A.

cos2^x




B.
-cos2^x




C.
cos2^x + 1




D.
cos^2x − 1




E.
-cos^2x + 1

  • Calc - ,

    that would be (B)

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question