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

mqb2766

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 3 months ago)

Reply 2

pigeonwarrior

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!