Assume Za is opposite side a, ZB is opposite side b, and Zy is opposite side c. Solve triangle ABC if ZA = a = 44.2°, b = 11.7 m, and c = 16.6 m. Using the Law of Cosines, a = m. Your answer should accurate to 2 decimal places. Using the Law of Cosines again, cos/B = cos B = Your answer should accurate to 5 decimal places. Thus, B- Your answer should accurate to 2 decimal places. cosZC = cos y Your answer should accurate to 5 decimal places. Thus, y = Your answer should accurate to 2 decimal places. Check by seeing if the total of the three angles is 180°.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 60E
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Assume Za is opposite side a, ZB is opposite side b, and Zy is opposite side c.
Solve triangle ABC if ZA = a = 44.2°, b = 11.7 m, and c = 16.6 m.
Using the Law of Cosines,
m.
Your answer should accurate to 2 decimal places.
Using the Law of Cosines again,
cosZB = cos 8 =
Your answer should accurate to 5 decimal places.
Thus, B =
Your answer should accurate to 2 decimal places.
COSZC = cos y =
Your answer should accurate to 5 decimal places.
Thus, y =
Your answer should accurate to 2 decimal places.
Check by seeing if the total of the three angles is 180°.
Transcribed Image Text:Assume Za is opposite side a, ZB is opposite side b, and Zy is opposite side c. Solve triangle ABC if ZA = a = 44.2°, b = 11.7 m, and c = 16.6 m. Using the Law of Cosines, m. Your answer should accurate to 2 decimal places. Using the Law of Cosines again, cosZB = cos 8 = Your answer should accurate to 5 decimal places. Thus, B = Your answer should accurate to 2 decimal places. COSZC = cos y = Your answer should accurate to 5 decimal places. Thus, y = Your answer should accurate to 2 decimal places. Check by seeing if the total of the three angles is 180°.
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