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" 15.Prove that ":(1+cot A+tan A)(sin A-...

" 15.Prove that ":(1+cot A+tan A)(sin A-cos A)=sin A tan A-cot A cost A

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Prove that :(1+cot A+tan A)(sin A cos A)=sin A tan A cot A cos A

(1 + cot A + tan A) (sin A-cos A) = sin A tan A-cot A cos A

Prove that : (1 + cot A + tan A) (sin A — cos A) = sin A tan A — cot A cos A.

Prove that : (1 + cot A + tan A) (sin A — cos A) = sin A tan A — cot A cos A.

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

Show that (cos A)/(1-tan A)+(sin A)/(1-cot A)=sin A +cos A

Prove that cos A/(1 - tan A) + sin A /(1 - cot A) = sin A + cos A

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

Prove that (cosec A - sin A ) (sec A -cos A) = ( 1)/( tan A +cot A)

Prove that (cosec A - sin A ) (sec A -cos A) = ( 1)/( tan A +cot A)