Engineering Board Exam Reviewer · Differentials and Linear Approximation · hard
Use differentials to approximate 46°.
- 1.0349
- 1.0175
- 3
- 1.0698
Answer
A. 1.0349
Solution
Let f(x)= x at x=45° with dx=1°=π/180 rad. f'(x)= 2x=2 at 45°. So 46° 1+2≤ft(π/180 ) 1.0349.
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