Answer-Simplify: 8sin 27° sec 63° + 3cot 64° cot 26°

8sin 27 sec 63 3cot 64 cot 26 8sin 27 sec 90 - 27 3cot 90 - 26 cot 26 Using, sec 90 - A cosec A and cot 90 - A tan A 8sin 27 cosec 27 3tan 26 cot 26 Since, cosec A is reciprocal of sin A and cot A is reciprocal of tan A. 8 3 11