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Trig Identities Help!

https://www.quora.com/profile/Bravewarrior/p-143521002
Here is the question and the answer. I'm a bit confused as they skipped a step? Any help would be amazing!
Reply 1
Original post by pigeonwarrior
https://www.quora.com/profile/Bravewarrior/p-143521002
Here is the question and the answer. I'm a bit confused as they skipped a step? Any help would be amazing!

Looks all there. Are you asking about when they factorize 1/sin on the numerator? A similar thing on the numerator would be to write
cot = cosec*cos
and then factorize cosec on the numerator.
(edited 10 months ago)
Reply 2
Original post by mqb2766
Looks all there. Are you asking about when they factorize 1/sin on the numerator? A similar thing on the numerator would be to write
cot = cosec*cos
and then factorize cosec on the numerator.

Thank you! I didn't realise they had factorised the numerator 🫢 thank you so much again for your help!

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