91Ó°ÊÓ

Find (if possible) the complement and the supplement of each angle. (a) \(46^{\circ} \quad\) (b) \(93^{\circ}\)

Sketching the Graph of a Trigonometric Function In Exercises \(15-38\) , sketch the graph of the function. (Include two full periods.) $$y=\tan (x+\pi)$$

Use a calculator to evaluate the expression. Round your result to two decimal places. \(\arctan 2.8\)

Using Period to Evaluate sine and cosine In Exercises \(31-36\) , evaluate the trigonometric function using its period as an aid. $$\cos 3 \pi$$

Using a Calculator, use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct mode.) $${ (a) }\tan 23.5^{\circ} \quad \text { (b) } \cot 66.5^{\circ}$$

Sketching Graphs of sine or cosine Functions, sketch the graphs of \(f\) and \(g\) in the same coordinate plane. (Include two full periods.) $$ \begin{array}{l}{f(x)=\cos x} \\ {g(x)=2+\cos x}\end{array} $$

Using Period to Evaluate sine and cosine In Exercises \(31-36\) , evaluate the trigonometric function using its period as an aid. $$\cos \frac{7 \pi}{3}$$

Use a calculator to evaluate the expression. Round your result to two decimal places. \(\arcsin \frac{7}{8}\)

Sketching the Graph of a Trigonometric Function In Exercises \(15-38\) , sketch the graph of the function. (Include two full periods.) $$y=2 \csc (x-\pi)$$

Find (if possible) the complement and the supplement of each angle. (a) \(150^{\circ} \quad\) (b) \(79^{\circ}\)