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1 year ago

Can someone please answer my trigonometry problem? I've been trying to get answers all day for something so minimal.

Mathematics

1 answer:

Fantom [35]1 year ago

8 0

Answer:

∠B ≈ 30.0°

Step-by-step explanation:

The law of sines can be used to solve a triangle when two sides and an angle opposite one of them are given.

sin(B)/b = sin(C)/c

sin(B) = (b/c)sin(C) . . . . solve for sin(B)

sin(B) = (14/28)sin(91°) ≈ 0.49992385

The angle is found using the inverse sine function:

B = arcsin(0.49992384) ≈ 29.99496°

Rounded to tenths, the angle is ...

m∠B ≈ 30.0°

_____

<em>Additional comments</em>

Many triangle solver apps and web sites are available if all you want is an answer.

When using your calculator, be sure the angle mode is set to "degrees."

The Law of Sines can also be used to solve a triangle when two angles and one side are known.

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saveliy_v [14]

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