Give the value of each trigonometric ratio​

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

What are the zeros of f(x)=x^2+3x-10