Given cosθ=3√3 and sinθ< 0 . what is the value of sinθ ?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

What is the gcf of 20c^3-5c^4+30c^6

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.