Hello, advancedfunctions2010!

Exactly what are the directions?

Ok, so I have to make up a trig identity

The instructions are to start with a statement that I know is true,

and then keep changing both sides to equivalent equations until it is complex.

So far I have: .

. . . . . .

I need 2 more lines of changing . . . . Why two more lines?

How about: .

. . .

. . . . . . . . .

Another: .

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