5. The arcsin function is the inverse of sin on [-1, 1]. (a) Differentiate (implicitly) sin(y) = x to show that d arcsin(x) = (1 – x²)-1/2. d.x (To review this, see Section 5 of the Maths 130 coursebook) (b) Derive a formula for the Maclaurin series of arcsin(x). (Hint: use (a) and the series in the previous question.) (c) Use part (b) and the fact that sin() = ; to derive a series that computes T. (d) Compute the sum of the first 4 terms of the series in (c). How close to T is your answer?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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5. The arcsin function is the inverse of sin on [-1, 1].
(a) Differentiate (implicitly) sin(y) = x to show that
d
arcsin(x) = (1 – x²)-1/2.
d.x
(To review this, see Section 5 of the Maths 130 coursebook)
(b) Derive a formula for the Maclaurin series of arcsin(x).
(Hint: use (a) and the series in the previous question.)
(c) Use part (b) and the fact that sin() = ; to derive a series that computes T.
(d) Compute the sum of the first 4 terms of the series in (c). How close to T is your answer?
Transcribed Image Text:5. The arcsin function is the inverse of sin on [-1, 1]. (a) Differentiate (implicitly) sin(y) = x to show that d arcsin(x) = (1 – x²)-1/2. d.x (To review this, see Section 5 of the Maths 130 coursebook) (b) Derive a formula for the Maclaurin series of arcsin(x). (Hint: use (a) and the series in the previous question.) (c) Use part (b) and the fact that sin() = ; to derive a series that computes T. (d) Compute the sum of the first 4 terms of the series in (c). How close to T is your answer?
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