Question
Use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct mode.)(a) $\sin 20^{\circ}$(b) $\cos 70^{\circ}$
Step 1
We can do this using a scientific calculator. Make sure your calculator is in degree mode. Enter 20 and then press the sine function. The result should be approximately 0.3420. Show more…
Show all steps
Your feedback will help us improve your experience
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct angle mode.) (a) $\sin 10^{\circ}$ (b) $\cos 80^{\circ}$
Trigonometric Functions
Right Triangle Trigonometry
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.) $${ (a) }\sin 10^{\circ} \quad \text { (b) } \cos 80^{\circ}$$
Trigonometry
Use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct angle mode.) $$\text { (a) } \cos 8^{\circ} 50^{\prime} 25^{\circ}$$ $$\text { (b) } \tan \frac{\pi}{8}$$
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD