Suppose sin(β) = 1/9. find the exact value of sec(β) for 0 < β

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

The trigonometric ratios sine and secant are reciprocals of each other

Which expression is rational? 6. , square root two, square root 14, square root 49