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Help with trig identities!!

Im trying to learn Nat 5 trig identities and I never have any idea where to start. How do I know when they are in their simplest form? Also, if anyone has any good places online to learn these I would truly appreciate it I cant find anywhere. Thank you so much!

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Original post by muzza131414
Im trying to learn Nat 5 trig identities and I never have any idea where to start. How do I know when they are in their simplest form? Also, if anyone has any good places online to learn these I would truly appreciate it I cant find anywhere. Thank you so much!


check out Mr Clelland Maths and DLB Maths on YouTube. Look at Dynamic Maths for past paper questions and mark schemes. Trig identities were the one thing I didn't get before the exam, but I hope these things help.

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