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Example 1 : Compare the sine, the cosine, and the tangent ratios for ∠A in each triangle below. Solution : By the SSS Similarity Theorem, the triangles are similar. Their corresponding sides are in proportion, which implies that the trigonometric ratios for ∠ A in each triangle are the same.
Trig Section 1.3: Applying Right Triangles SHORT ANSWER. Solve the problem. 1) A 29 foot water slide has a 17 foot vertical ladder. How far is it along the ground from the end of the slide back to the base of the ladder that leads to the slide? 1) 2) A painter leans a 30 foot ladder against one wall of a house. At what height does the ladder
Trigonometry (Honors) Review 3 Practice Questions (and Answers) Topics include trig values, half-angle identities, angular distance, quadrants and intervals, inverses, and more. Mathplane.com
Trigonometric Ratios. Ensure you have: Pencil or pen. Guidance. Read each question carefully before you begin answering it. Check your answers seem right. Always show your workings. Revision for this topic. www.corbettmaths.com/more/further-maths/ 1. Angle θ is obtuse and sinθ = 5. 4. Work out the value of cosθ. ....................... (4) 2.
Compiled by Navan Mudali. NicZenDezigns Page 41of 151. QUESTION 11. The sketch below shows one side of the elevation of a house. Some dimensions (in metres) are indicated on the figure. A. Calculate, rounded off to ONE decimal place: 11.1 EC (3) 11.2.
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 •
Finding Trigonometric Ratios Date_____ Period____ Find the value of each trigonometric ratio to the nearest ten-thousandth. 1) tan A 16 34 30 A B C 1.8750 2) cos C 12 9 15 C B A 0.8000 3) sin Z 16 12 20 Z Y X 0.6000 4) sin C 40 30 50 C B A 0.6000 5) sin C 14 50 48 C B A 0.9600 6) sin C 48 14 50 C B A 0.2800 7) cos A 3 5 4 A B C 0.6000 8) cos X ...
