Show that 1+tan^2t = sec^2t and show that sin2t=2sintcost Thankss!

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Originally Posted by lolalovepink Show that 1+tan^2t = sec^2t and show that sin2t=2sintcost Thankss! for the ,I assume you know that . Then it would be directly followed. If you have not learned this yet, it would become a very complex geometric proof.

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