The diagram shows a right-angled triangle ABC in which AC-60 cm. Angle ABC-36.9 Using as much of the information below as is necessary, find (a) the length of AB, (b) the length of BC. 60 cm 36.9 | sin 36.9 - 0.8, cos 36.9-0,6 tan 36.9 - 0.75 |
The diagram shows a right-angled triangle ABC in which AC-60 cm. Angle ABC-36.9 Using as much of the information below as is necessary, find (a) the length of AB, (b) the length of BC. 60 cm 36.9 | sin 36.9 - 0.8, cos 36.9-0,6 tan 36.9 - 0.75 |
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
Question
Transcribed Image Text:The diagram shows a prismn of lengih 40 cm
Ihe cross section is a egular hexagon AICDE
B-Paper 1
8'C.
hevnPape
40 cm
(a) Find the size of angle ABC.
Civen that the area of the cross-section is 150 cm', find the volume of the prism
Answer (a)
121
(b)
15. The diagram shows a right-angled triangle AlBC in which AC- 60 cm. Angle ABC-36.9
Using as much of the
(a) the length of AB,
(b) the length of BC.
formation below as is necessary, find
60 cm
36.9
cos 36.9-0.6
tan 36.9 -0.75 |
| sin 36.9 - 0.8,
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