Question

without using trigonometric tables evaluate cos 58 degree upon sin 32 degree + sin 22 degree upon cos 68 degree minus Cos 38 degree into cosec 52 degree upon tan 18 degree *tan 35 degree *tan 60 degree *tan 72 degree *tan55 degree

Answer 1

My brother use Rd Sharma. I did this question last year from there. Don't really remember the no of the question as I did it last year. But I am sure it's there.

Hope you would have a great day.

Answer 2

hope it helps. have a great day