3. Derive and prove that cos 2x= 2cos'x-1, if the identity cos(A+ B) is given.

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A: Hey, since there are multiple subparts posted, we will answer first four question. If you want any…

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A: Given : Sample size = n = 100 p1^ = 0.83p2^ = 0.75

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A: A detailed solution is given below.

Q: 2. Using the same approach as was employed to derive the regression equations, derive the least-…

A: Given: x 2 4 6 7 10 11 14 17 20 y 4 5 6 5 8 8 6 9 12 To find: Graphical representation.

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Q: Let R be the octant egien beunde d ba and =16 cusves (@) find the velume of the gelid eblained yE16…

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A: Givenp=78%=0.78x=108n=132p^=xn=108132=0.8182

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Q: General instruction: Solve the following problem as directed. Show your solutions. All computed…

A: Since you have asked multiple sub parts of the question, we will solve first three sub parts for…

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Q: POSSIBLE POINTS: 3 a. Highlight the graph of 3r - 2y = -1 red by dragging your finger along the…

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Q: What is the slope of the line below? y 4 3 -5 -4 -3 -2 -1 1 2/3 4 5 -2 -3 -5 1/2 5. 2)

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A: Given that:x2+y2+10x+5y=60

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Q: 4. a) Show that if n = p₁¹.ps where p₁,...,Ps are s distinct primes and a₁,..., ag € Z with a; ≥2…

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Q: 4.36 V = 1072.9 + 0.25 V, (1) %3D V = 142 + V (2) %3D

A: Let's solve.

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A: We have to find the tangcent