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Trigonometry

Course: Trigonometry > Unit 1

Lesson 4: Solving for an angle in a right triangle using the trigonometric ratios
Math
Trigonometry
Right triangles & trigonometry
Solving for an angle in a right triangle using the trigonometric ratios
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Solve for an angle in right triangles

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Problem

∠B=
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
∘
Round your answer to the nearest hundredth.
A right triangle A B C. Angle A C B is a right angle. Angle A B C is unknown. Side B C is two units. Side A B is seven units.
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