6. Multiply then use fundamental identities to simply
erundamental identities to simplify the expression below and determine which
of the following is not equivalent sinx+cosx) (sin X-COSX
Sal 2 sinx - sec x-tan
Sol (sin x-cos²xD
c) 1-2cos x
a) csc' x-cot' x-2cos x
e) 1-2 sin - - * Icosx
3 (Sixxt coor (Sirx-coox