15. Find dr/d0: r = 4 – 02 sin 0 a. 20 sin 0 –02 cos 0 | b. 0 cos 0-02 sin 0 O sin e – 02 cos 0 С. a O b

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Q: Example 11. Find a particular solution of equation ty" – 2ty' + 2y = t°e*. yUni 13 21

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A: a) Geometric transformations  By a vertical stretch of 5  By a horizontal shift of 2    

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A: Solution is given in the picture:  

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A: The solution of this problem is given as:  

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A: Solution is given:

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Q: Differentiate: (etan(x)) /(1+x)  Show all working out.

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Q: Learning

A: 1. Given, the sequence is                          5, 15, 25, 35

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Q: 1. Which of the trigonometric ratios are positive for : 10n (iii) 3 (i) 240° (ii) – 200°

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