Lesale
sec ^ 2 X + cos ^ 2 X + sec ^ 2 x cot ^ 2 X + 1



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shubhamsrg
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note that sec x . cotx = cosec x

Lesale
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ok

manishsatywali
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1  cosec^2 x =  cot^2 x

Lesale
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ok

manishsatywali
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2sec^2x+cot^2x+cos^2x+1

manishsatywali
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2sec^2x+cos^2x+cosec^2x
by using formula: 1  cosec^2 x =  cot^2 x

shubhamsrg
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sec^2x + cos^2x can be broken into (sec x + cosx)^2  2

shubhamsrg
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Am not too sure what final simplified form we should be expecting in the question ?

Lesale
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ok.