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Note that we abbreviate sine, cosine and tangent to sin, cos and tan. In the following Examples and Exercises, we investigate the properties of these trigonometric functions.
value of each trigonometric ratio to the nearest ten-thousandth. Find the missing side. Round to the nearest tenth. measure of the indicated angle to the nearest degree. Find each angle measure to the nearest degree. Solve the following word problems. For each question, draw a diagram to help you.
Find the value of each trigonometric ratio to the nearest ten-thousandth. Find the missing side. Round to the nearest tenth. Find the measure of the indicated angle to the nearest degree. Find each angle measure to the nearest degree. Solve the following word problems. For each question, draw a diagram to help you.
Sine, Cosine, and Tangent Practice-1-Find the measure of each side indicated. Round to the nearest tenth. 1) x 5 B A C 57° 2) 9.5 x B A C 47° 3) 9 x A B C 39° 4) x 2 B A C 62° 5) x 16 A C B 40° 6) 14 x B A C 22° 7) x 2 A B C 26° 8) 2 x A C B 40° 9) x 9 A B C 47° 10) 16 x B A C 25° 11) x 3 A B C 74° 12) x 14 A B C 69° 13) x 14 A C B ...
The sine, cosine and tangent ratios Trigonometry is the study of lengths and angles in triangles. This section looks at trigonometry in right-angled triangles. In a right-angled triangle the side opposite the right angle is the hypotenuse, which is the longest side. † AC is the hypotenuse † AB is adjacent to angle A (•) † BC is opposite •
These problems are designed to help you learn basic trigonometry ("trig") functions and how to use your calculator correctly. Calculating sine, cosine, and tangent Problem 1. The angle of repose for sand is typically about 35°. What is the sine of this angle? Problem 2. When driving, a steep hill is typically only 12°. What is the cosine of ...
The sine, cosine and tangent of an angle are all defined in terms of trigonometry, but they can also be expressed as functions. In this unit we examine these functions and their graphs.
