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Chapter 8: Q. 33 (page 516)

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

b=4,A=10°;finda,c,andB

Short Answer

Expert verified

The respective values are

B=80°a=0.71c=4.06

Step by step solution

01

Given information

b=4,A=10°;finda,c,andB

02

Calculation

SinceA=10°,A+B=90°⇒B=80°Now,tan10=a4cos(10)=4cNowsolvingfora,ca=4tan10=0.71c=4cos(10)=4.06

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