Answer
Oblique
Work Step by Step
Since we cannot apply the law $sine = \frac{cosine}{tan}$ to oblique triangles and only for right angled triangles that we know have an angle of $90˚$.
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 7 - Section 7.1 - The Law of Sines - 7.1 Problem Set - Page 368: 1
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