III) Prove: 2) cos x x + sin æ sin y = sin 3y (3) COS (2) for all x and y such that x+y= 2

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A: Since set C is not clear, so I will solve only part a. Solution a: Given A=2,5,6, B=1,2,3,7

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Q: l-1 s + 1 ع أما (3 – s)2ی

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Q: Question 7 Calculate 9-1{ :} 55 +6 52 +65 +13

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Q: Problem 7.52 Compute the inverse DFTs of (a) {0,0,3,0,4,0,3,0} (b) {0,3+ j4,0,0,0,0,0,3-j4}

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Q: Question 7 Calculate 9-1{ :} 55 +6 52 +65 +13

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Q: Calculate the double integral where R = [1,2] × [-1,1]: R xeᎩ dᎪ

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Q: If f(x) = sinx and g(x) = 1 – 2x², which of these expressions is equivalent to g° ƒ) (ñ) = 9(ƒ(ñ))

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Q: 9. Show using the definition of big 2 that x² + 2x-4 is 2(x2). Find values for C and k from the…

A: Using the definition these symbols we can reach to answer.  K=1 C=2

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