SOLUTION: Multiply, then use fundamental identities to simplify the expression and determine which is not equivalent. (sinx+cosx)(sinx-cosx)=

Algebra ->  Trigonometry-basics -> SOLUTION: Multiply, then use fundamental identities to simplify the expression and determine which is not equivalent. (sinx+cosx)(sinx-cosx)=      Log On


   



Question 966268: Multiply, then use fundamental identities to simplify the expression and determine which is not equivalent.
(sinx+cosx)(sinx-cosx)=

Answer by Fombitz(32388) About Me  (Show Source):