Chapter 8 Review
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sin B = ? (fraction)
tan A = ? (fraction)
cos B = ? (fraction)
How to use Desmos Scientific Calculator to do trigonometric functions.
Match the right trig function to its decimal equivalent rounded to the nearest four decimal places. (Use a calculator)
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
sin 45 | arrow_right_alt | .5774 |
tan 89 | arrow_right_alt | .5 |
cos 12 | arrow_right_alt | .8660 |
tan 30 | arrow_right_alt | 1 |
sin 56 | arrow_right_alt | .7071 |
cos 61 | arrow_right_alt | .9748 |
cos 30 | arrow_right_alt | 57.2897 |
tan 73 | arrow_right_alt | .4848 |
sin 30 | arrow_right_alt | .8290 |
tan 45 | arrow_right_alt | 3.2709 |
Simplify the folllowing expressions to its decimal equivalent rounded to the nearest four decimal places . (Use a calculator)
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
| arrow_right_alt | 9.2376 | |
21tan 73 | arrow_right_alt | 6.5 |
| arrow_right_alt | 40.7032 | |
16(tan 30) | arrow_right_alt | .0589 |
47(cos 30) | arrow_right_alt | 2.5 |
| arrow_right_alt | 0.0152 | |
13sin 30 | arrow_right_alt | 88.0184 |
| arrow_right_alt | 5.9147 | |
2.5(tan 45) | arrow_right_alt | 53.6127 |
(12.2)cos 61 | arrow_right_alt | 68.6879 |
Solve the equation:
Round your answer to the nearest hundredth.
Solve the equation:
Round your answer to the nearest hundredth.
Solve the equation:
Round your answer to the nearest hundredth.
Which trigonometric ratio should you use to solve for the height of the plane?
Put the steps in the correct order to solve for the height of the plane.
height of plane=866.03 m
Which trigonometric ratio should you use to solve for the height of the tree?
Put the steps in the correct order to solve for the height of the tree?
height of tree=62.93 feet
Which trig ratio should you use to solve for side BC?
What is the length of side BC? Round your answer to the nearest hundredth. (two decimal places)
Which trig ratio should you use to solve for side BA?
What is the length of side BA? Round your answer to the nearest hundredth. (two decimal places)