Question: (Section3.1) Approximate cos(3.1) using tangent line approximation:First note that cos(3.1)~~cos().Let f(x)=cos(x). Then, f'(x)=Let x0=. Then f'()=L(x), the line tangent to(cos(x))atx0=is:L(x)=Use the tangent line to approximate

(Section3.1) Approximate cos(3.1) using tangent line approximation:First note that cos(3.1)~~cos().Let f(x)=cos(x). Then, f'(x)=Let x0=. Then f'()=L(x), the line tangent to(cos(x))atx0=is:L(x)=Use the tangent line to approximate cos(3.1).cos(3.1)~~

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