Rewrite tanx in terms of sinx and cosx

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.

How many and of which kind of roots does the equation f(x)=x3−x2−x+1