If sin`x^@ = a`, which of the following must be true for all values of x ?

If x+y=90^(@) , which of the following must be true?

If f(x)=x^(3) , which of the following must be true ?

If -3x+6ge18 , which of the following must be true?

If 4x - 12 ge x + 9 , which of the following must be true ?

If x + z > y + z , then which of the following must be true?

If 0 le x le 2pi and sin x lt 0 , which of the following must be true ? I. cos x lt 0 II. csc x lt 0 III. |sin x + cos x|gt 0

For a polynomial p (x) , the value of p(3) is −2 . Which of the following must be true about p (x) ?

If x^5 + x^2 < 0 , then which one of the following must be true?

Which of the following is true for f(x)=sgn(x)xx sin x