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(cos A-sin A+1)/(cos A+sin A-1)=cos ecA+...

(cos A-sin A+1)/(cos A+sin A-1)=cos ecA+cot A

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(cos A-sin A+1)/(cos A+sin A-1)=cosec A+cot A," using the identity cosec^(2)A=1+cot

(cos A-sin A + 1) / (cos A + sin A-1) = csc A + cot A

Prove that: (cos A - sin A + 1)/(cos A + sin A -1) = "cosec"A + cot A

(cos A cos ecA-sin A sec A) / (cos A + sin A) = cos ecA-sec A

(cos A cos ecA-sin A sec A) / (cos A + sin A) = cos ecA-sec A

(cos A cos ecA-sin A sec A) / (cos A + sin A) = cos ecA-sec A

( cos A - sin A + 1 ) / ( cos A + sin A - 1 ) = cosec A + cot A cosec A + cot A , = using the identity cosec ^ 2 A = 1 + cot^ 2 A .

Prove the following identities: (1)/(cos ecA-cot A)-(1)/(sin A)=(1)/(sin A)-(1)/(cos ecA+cot A)

Prove that (cot A-cos A)/(cot A+cos A)=(cos ecA-1)/(cosecA+1)

Prove that: (cos 2A cos 3A-cos 2A cos 7A + cos A cos 10A)/(sin 4A sin 3A -sin 2A sin 5A + sin 4A sin 7A)= cot 6A cot 5A .