Prove the following identities:
sin Asec A+tan A−1+cos Acosec A+cot A−1=1
Prove: (cosecA−sinA)(secA−cosA)=1tanA+cotA
Prove (cosecA - sinA) (sec A - cos A) = 1tanA+cotA
Prove the following trigonometric identities:
cot A−cos Acot A+cos A=cosec A−1cosec A+1
Which of the following options are equal to √1+cos A1−cos A ?