(ii) cosec A – cot A =

(iii) 1 –

(iv)

(v)

sin A

1+ cos A

1- cos A

sin A

1 + cos A

(iii) 1 –

(iv)

(v)

sin A

1+ cos A

1- cos

(ii) cosec A – cot A =

(iii) 1 –

(iv)

(v)

sin A

1+ cos A

1- cos A

sin A

1 + cos A

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Answer:I can’t understand your question but u can solve it by these identity

sin² A + cos²A= 1

1 + tan² A = sec² A

1 + cot²A = cosec² A