Question

Find the trigonometric ratios (NOT the angle) functions. Write fractions in lowestterms.34)a = 12, b = 16. Find sin A and tan A

Answer 1

RECALL: Pythagoras

`\begin{gathered} c^2=b^2+a^2 \\ c=√(16^2+12^2) \\ c=√(400) \\ c=20 \end{gathered}`

Also Recall:

SOHCAHTOA

`SinA=(12)/(20)=(3)/(5)`
`Tan\text{ A=}(12)/(16)=(3)/(4)`