MATTYESP7921 MATTYESP7921

25-10-2017
Mathematics

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Consider this equation (csc x+1)/cot x = cot x/(csc x +1) is it an identity?

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Аноним Аноним

25-10-2017

cross multiplying:-
cot^2 x = (csc x+ 1)(csc x + 1)

also cot^2 x = csc^2 x - 1 = (csc x + 1)(csc x - 1) (Known Identitiy)

so the equation is not an identity

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