Problem $2$

$($a$)$ Find $\frac{?}{\text{b}\text{a}\text{r}}(BO)$ and $\frac{?}{\text{b}\text{a}\text{r}}(AB)$

$($b$)$ Find $\frac{?}{\text{b}\text{a}\text{r}}(AC)$ and $\frac{?}{\text{b}\text{a}\text{r}}(BC)$

$($c$)$ Find $\frac{?}{\text{b}\text{a}\text{r}}(BD)$ and $\frac{?}{\text{b}\text{a}\text{r}}(DO)$

$($d$)$ Find $cos(+)$ by using SOH CAH TOA on $\frac{?}{{?}_{\frac{?}{?}}\text{A}\text{E}\text{O}}$ and your answers on previous parts.

$($e$)$ Find $sin(+)$ by using SOH CAH TOA on $\frac{?}{{?}_{\frac{?}{?}}\text{A}\text{E}\text{O}}$ and your answers on previous parts.