Multiple choice general knowledge math & puzzles cos0*cos1*cos2*cos3*......cos99? what is the value?0,1,2... all are in degree 90 1 0 none of these Reveal answer Fill a bubble to check yourself C Correct answer Explanation The expression is a product of cosine values from 0 to 99 degrees. Since cos(90°) = 0, and any number multiplied by zero is zero, the entire product equals 0.