2./10 To rationalize the denominator of , you should multiply the expression by which fraction?
3./11
10
10
11
O
2-10
2- V10
3- V11
3- 11

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled