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91Ó°ÊÓ

Use the right triangle shown below. Then, using the given information, solve the triangle.

b=6,A=20°;finda,c,andB

Short Answer

Expert verified

The respective values are

B=70°a=2.18c=6.38

Step by step solution

01

Given information

b=6,A=20°;finda,c,andB

02

Calculation

SinceA=20°,A+B=90°⇒B=70°Now,tan20=a6cos(20)=6cNowsolvingfora,ca=6tan20=2.18c=6cos(20)=6.38

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