Question

HELP!!!

sinx - 2 = cosx - 2. Solve for x.

Answer 1

sin x = cos x = sin (Pi/2 - x)
sin x = sin (Pi/2 - x)
x = Pi/2 - x -> 2x = Pi/2 -> x = ...

Answer 2

Refer to the attachment from Wolffram Alpha.

Answer 3

sinx=cosx
sinx/cosx=tanx=1
x=pi/4

Answer 4

those value x which give 1 as output
like pi/4 5pi/4 9pi/4