Consider this equation . tan(theta) = - sqrt(19/17) an angle in quadrant IIwhat is the value of theta cos(theta) ОА . OB - (sqrt(17))/6 - (sqrt(19))/6 (sqrt(17))/6 (sqrt(19))/6 Oc . OD

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Can someone pls ! pls answer all. no explanation needed..

Ten times the square of a non-zero number is eqaul to ninety times the number