Mastering Trig Identities: Tips and Tricks for Proving Identities

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Mastering trigonometric identities involves expressing all functions in terms of sine and cosine for simplification. Spending additional time practicing these identities can enhance understanding and proficiency. Engaging with the material independently is encouraged to solidify concepts. The discussion highlights that with practice, proving identities becomes straightforward. Mastery of these techniques is essential for success in trigonometry.
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figured it out thanks!
 
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Really this is so easy that I think you need to spend a couple more minutes playing with it on your own.

Remember the best way to start is to express everything in terms of sine and cosine.
 
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