os x)2 = 1+ 2 sin x cos x 1- 2 cos x - 3cos2 x = 1- 3cos x
C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter14: Numerical Methods
Section14.6: The Trapezoidal Rule
Problem 1E
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Question
- Two trigonometric identities are given by:
- (sin x + cos x)2 = 1+ 2 sin x cos x
1- 2 cos x - 3cos2 x = 1- 3cos x
sin2 x
1- cos x
For each part, verify that the identity is correct by calculating the values of the left and right sides of the equation using MATLAT, substituting x=200
- Find the solution to the systems
|
... .. .
y + 3 y + 2 y y u
Where y (0) =0; y’ (0) =0. u (t) is a square wave.
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