Question

use the aleks calculator to evaluate each expression. round your answers to the nearest hundredth.
sin 68^circ = square
tan 57^circ = square
cos 33^circ = square

Explanation:

Step1: Evaluate $\sin 68^\circ$

Using a calculator (in degree mode), we find the sine of $68^\circ$.
$\sin 68^\circ \approx 0.9272$
Rounding to the nearest hundredth, we look at the thousandth place, which is 7. Since $7 \geq 5$, we round up the hundredth place. So, $\sin 68^\circ \approx 0.93$.

Step2: Evaluate $\tan 57^\circ$

Using a calculator (in degree mode), we find the tangent of $57^\circ$.
$\tan 57^\circ \approx 1.5399$
Rounding to the nearest hundredth, we look at the thousandth place, which is 9. Since $9 \geq 5$, we round up the hundredth place. So, $\tan 57^\circ \approx 1.54$.

Step3: Evaluate $\cos 33^\circ$

Using a calculator (in degree mode), we find the cosine of $33^\circ$.
$\cos 33^\circ \approx 0.8387$
Rounding to the nearest hundredth, we look at the thousandth place, which is 8. Since $8 \geq 5$, we round up the hundredth place. So, $\cos 33^\circ \approx 0.84$.

Answer:

$\sin 68^\circ \approx \boldsymbol{0.93}$
$\tan 57^\circ \approx \boldsymbol{1.54}$
$\cos 33^\circ \approx \boldsymbol{0.84}$