Prove that Cos4xsin4x1tanxcotx1secx cosecxclass 10thBharti Coaching centre2023

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Prove that: Cos^4x-sin^4x/1-tanx=(cotx+1)/secx .cosecx • CBSE Practice Paper class 10th|Class 10th Maths Practice Paper |Session 2022-23|Bharti Coaching|2023 •    • CBSE Practice Paper class 10th|Class ...  

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