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Question
how can we use linearization to find an approximation to sin 31 . could you plz tell me ?  

Answer
Hi M. Nabil,

I am assuming you probably know how to do linearization. But man, this question just doesn't seem to work. It definitely stumped me at first. Well, here's my hint, see if you can figure it out yourself:

Linearization only works on RADIAN measures. So you first have to convert the degrees to radian measures (the big thing is NOT the 30 degrees, but the one degree that you have to multiply to the slope).

I hope this helps,
Jack

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Jack Cheng

Expertise

I can answer most questions in Math up to single-variable Calculus, including infinite series. I like to think very much, so questions with a lot of twists and turns are highly welcomed! Mathematical questions related to computer science are also highly welcomed! I can also answer some basic questions in discrete mathematics (logics, sets, some algorithms, basic number theory). I am also studying physics (mechanics in particluar), so I am willing to answer some questions relating to it.

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Majoring in Mathematics.

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I am sophomore/junior status in college working towards bachelor's degrees in Computer Science and Mathematics.

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