91Ó°ÊÓ

Use a calculator to find the approximate value of each expression rounded to two decimal places:$\tan 1°$

Use the even–odd properties to find the exact value of each expression. Do not use a calculator.

$\csc (-\frac{\mathrm{Ï€}}{3})$

Use properties of the trigonometric functions to find the exact value of each expression. Do not use a calculator.

${\sin }^2{40}^{\mathrm{o}}+{\cos }^2{40}^{\mathrm{o}}$

In the problem, $s$denotes the length of the arc of a circle of radius $r$subtended by the central angle $\mathrm{θ}$. Find the missing quantity. Round answers to three decimal places.

$r=2$inches, $\mathrm{θ}=30°$, $s=?$

Find the average rate of change off from$0$ to$\frac{\mathrm{Ï€}}{2}$.

$f\left(x\right)=\sin x$

A point on the terminal side of an angle $\mathrm{θ}$in standard position is given. Find the exact value of each of the six trigonometric functions of $\mathrm{θ}$:$(-3,4)$

In the problem, $s$denotes the length of the arc of a circle of radius $r$subtended by the central angle $\mathrm{θ}$. Find the missing quantity. Round answers to three decimal places.

$r=3$meters, $\mathrm{θ}=120°$, $s=?$

Use properties of the trigonometric functions to find the exact value of each expression. Do not use a calculator.

${\sec }^2{18}^{\mathrm{o}}-{\tan }^2{18}^{\mathrm{o}}$

Find the average rate of change off from $0$to$\frac{\mathrm{Ï€}}{2}$.

role="math" localid="1646561352528" $f\left(x\right)=\cos x$

A point on the terminal side of an angle $\mathrm{θ}$in standard position is given. Find the exact value of each of the six trigonometric functions of $\mathrm{θ}$: $(5,-12)$