Need urgent help with this gr 11 trig hw question!!!   Could someone plz make a really complicated trigonometric identity & then could you show the steps and talk about how you got the trig identity, algebraically and in words, by also making sure the left side equals's the right side.   The image is just a simple trig identity example for reference. (could u explain the identity u created step by step, plz don't solve the identity u created)

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