8. Trigonometric Functions on Right Triangles

Given the right triangle below, evaluate $\(\cos\]\theta\)$.

Given the right triangle below, evaluate $\(\tan\]\theta\)$.

Given the right triangle below, use the cosine function to write a trigonometric expression for the missing angle $\(\phi\)$.

If $\(\sin\]\theta\)=\(\frac{\sqrt{17}\)}{17}$, find the values of the five other trigonometric functions. Rationalize the denominators if necessary.

What is a positive value of A in the interval $\(\left\)[0\(\degree\),90\(\degree\]\right\))$ that will make the following statement true? Express the answer in four decimal places.

$\(\sin\) A=0.9235$

What is the positive value of $D$ in the interval $\(\left\)[0,\(\frac{\pi}{2}\]\right\))$ that will make the following statement true? Express the answer in four decimal places.

$\(\sec\) D=3.2842$

What is the positive value of P in the interval $\(\left\)[0\(\degree\),90\(\degree\]\right\))$ that will make the following statement true? Express the answer in four decimal places.

$\(\cot\) P=5.2371$

Given the right triangle below, use the sine function to write a trigonometric expression for the missing angle $\(\theta\)$.

If $\(\tan\]\theta\)=\(\frac{12}{5}\)$, find the values of the five other trigonometric functions. Rationalize the denominators if necessary.