Prove that: (sin^4 θ-cos^4 θ+1) cosec^2 θ=2 TRIGONOMETRY STANDARD CBSE-2020-SET-2-CODE NO.30/5/2

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Prove that: (sin^4 θ-cos^4 θ+1) cosec^2 θ=2
TRIGONOMETRY STANDARD CBSE-2020-SET-2-CODE NO.30/5/2

IMPORTANT PROBLEM
CLASS-10
CBSE AND STATE SYLLABUS
TELANGANA STATE AND ANDHRAPRADESH STATE SYLLABUS

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KHAJA MATHEMATICS ACADEMY

MOHAMMED KHAJA
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Very well explained.
Helpful.
Thank you

pythagorasgreek
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Very good explanation sir.
Thank you sir.

shivan
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చాలా మంచి వివరణ. సమస్యలను అర్థం చేసుకోవడం సులభం. ధన్యవాదాలు

rammohankalyan
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Very good explanation👌.
Sir post more videos🎥

RAMANUJAN-fmgp