In the triangle shown a = 5 in., b = 7 in., and y = 25°. Define a, b, and y as variables, and then: (a) Calculate the length of c by substituting the variables in the Law of Cosines. (Law of Cosines: c² = a² + b²-2abcosy) (b) Calculate the angles a and ẞ (in degrees) using the Law of Sines. (c) Verify the Law of Tangents by substituting the results from part (b) into the right and left sides of the equation. (Law of Tangents: a-b an [{(c. – B)] a+h tan [(a+b)] с а b B>B a
In the triangle shown a = 5 in., b = 7 in., and y = 25°. Define a, b, and y as variables, and then: (a) Calculate the length of c by substituting the variables in the Law of Cosines. (Law of Cosines: c² = a² + b²-2abcosy) (b) Calculate the angles a and ẞ (in degrees) using the Law of Sines. (c) Verify the Law of Tangents by substituting the results from part (b) into the right and left sides of the equation. (Law of Tangents: a-b an [{(c. – B)] a+h tan [(a+b)] с а b B>B a
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![In the triangle shown a = 5 in., b = 7 in., and y = 25°.
Define a, b, and y as variables, and then:
(a) Calculate the length of c by substituting the variables in
the Law of Cosines.
(Law of Cosines: c² = a² + b²-2abcosy)
(b) Calculate the angles a and ẞ (in degrees) using the Law
of Sines.
(c) Verify the Law of Tangents by substituting the results
from part (b) into the right and left sides of the equation.
(Law of Tangents:
a-b
an [{(c. – B)]
a+h
tan [(a+b)]
с
а
b
B>B
a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd451f972-af09-4f22-bc9e-c3f92099038f%2F595b55b3-f978-4727-943a-efddcac2a742%2Fyxlxmk9_processed.png&w=3840&q=75)
Transcribed Image Text:In the triangle shown a = 5 in., b = 7 in., and y = 25°.
Define a, b, and y as variables, and then:
(a) Calculate the length of c by substituting the variables in
the Law of Cosines.
(Law of Cosines: c² = a² + b²-2abcosy)
(b) Calculate the angles a and ẞ (in degrees) using the Law
of Sines.
(c) Verify the Law of Tangents by substituting the results
from part (b) into the right and left sides of the equation.
(Law of Tangents:
a-b
an [{(c. – B)]
a+h
tan [(a+b)]
с
а
b
B>B
a
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