Multiple choice general knowledge math & puzzles (sin(x)* cosec(x))+(sec(x)*cos(x))=? 1 0 2 3 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Using trigonometric identities: sin(x) * cosec(x) = 1 and sec(x) * cos(x) = 1. Therefore, 1 + 1 = 2.