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10. Rewrite 2tan 23° / 1 - tan223° as a single function of an angle.

I'd appreciate it if someone could help me out with this question! Don't just give me the answer though, please and thank you!

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If you fix your typo:

2tan 23° / (1 - tan^2 23°)

and recall your double-angle formula for tan(x) you will see what you need to do.

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