Without using a calculator, determine all values of A in the interval $\(\left\)[0,\(\frac{\pi}{2}\]\right\))$ with the following trigonometric function value.

$\(\cos\) A=\(\frac{\sqrt3}{2}\)$

Use the given triangles to evaluate each expression. If necessary, express the value without a square root in the denominator by rationalizing the denominator.

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sec 45°

Use the given triangles to evaluate each expression. If necessary, express the value without a square root in the denominator by rationalizing the denominator.

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csc 45°

Use the given triangles to evaluate each expression. If necessary, express the value without a square root in the denominator by rationalizing the denominator.

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tan 𝜋/3

Match each trigonometric function in Column I with its value in Column II. Choices may be used once, more than once, or not at all.

cot 30°

Which set of numbers can represent the side lengths of a $30$-$60$-$90$ special right triangle?

Triangle ABC is isosceles. If angle A measures $30°$, what is the measure of angle C?

The hypotenuse of a $45°$-$45°$-$90°$ triangle measures $n$ in. What is the length of one leg of the triangle?