SOLUTION: Q: Find obtuse angle whose sin is a) 0.52 b)0.75 c) 0.875 d) 0.3456

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Q: Find obtuse angle whose sin is a) 0.52 b)0.75 c) 0.875 d) 0.3456       Log On


   

Question 1144123: Q: Find obtuse angle whose sin is
a) 0.52 b)0.75 c) 0.875 d) 0.3456
Answer by Alan3354(69443) About Me  (Show Source):
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Q: Find obtuse angle whose sin is
a) 0.52 b)0.75 c) 0.875 d) 0.3456
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Unless instructed otherwise, use a calculator to find the acute angle, then subtract it from 180 degrees.
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For sin(A) = 0.52
Acute angle =~ 31.33 degs
Obtuse angle = 180 - 31.33 = 148.67 degs